Open5gs

Open5GS 2.7.6 is vulnerable to denial of service through improper handling of S11 session response messages in the MME component, allowing remote unauthenticated attackers to crash the service. Public exploit code exists for this vulnerability, and the vendor has not yet provided a patch despite early notification.

Open5GS versions up to 2.7.6 are vulnerable to a denial of service condition in the SMF component's PDP context request handler, which can be triggered remotely without authentication. An attacker can exploit this reachable assertion flaw to crash the service, and public exploit code is currently available. No patch has been released by the project despite early notification of the issue.

Memory corruption in Open5GS up to version 2.7.6 allows remote attackers to cause denial of service through manipulation of the MME component's esm-build.c file. Public exploit code exists for this vulnerability, and the Open5GS project has not yet released a patch despite early notification.

Memory corruption in Open5GS versions up to 2.7.6 allows remote attackers to trigger a denial of service condition by manipulating the SGW-C session creation handler, with public exploit code already available. The vulnerability requires no authentication or user interaction and currently lacks a vendor patch, leaving affected deployments vulnerable to remote availability attacks.

Open5GS versions up to 2.7.6 are vulnerable to a denial of service attack in the SMF component's TFT parsing function when a crafted packet manipulates the traffic filter content length parameter. An unauthenticated remote attacker can trigger this flaw to crash the service, and public exploit code exists with no patch currently available.

Open5GS versions up to 2.7.6 suffer from a null pointer dereference in the PGW S5U Address Handler component that can be triggered remotely without authentication, resulting in denial of service. Public exploit code exists for this vulnerability, and administrators should apply the available patch immediately.

Remote denial of service in Open5GS up to version 2.7.6 allows unauthenticated attackers to trigger a reachable assertion in the SGWC component by manipulating PDR arguments in the sgwc_tunnel_add function. Public exploit code exists for this vulnerability, and no patch is currently available despite reports indicating a fix is planned.

Open5GS versions up to 2.7.6 contain a reachable assertion vulnerability in the CreateBearerRequest handler that allows unauthenticated remote attackers to trigger a denial of service condition. Public exploit code exists for this vulnerability, and no patch is currently available. The impact is limited to service availability, with a CVSS score of 5.3.

Open5GS versions up to 2.7.6 contain a reachable assertion vulnerability in the SGWC S11 handler that can be triggered remotely without authentication to cause a denial of service. Public exploit code exists for this vulnerability, and while a patch is reported as already-fixed, it remains unavailable for affected deployments.

Denial of service in Open5GS up to version 2.7.6 allows remote attackers to crash the SGWC service by manipulating the Modify Bearer Request handler in s11-handler.c. Public exploit code exists for this vulnerability and no patch is currently available. Organizations running affected versions should apply updates as they become available and consider network-level mitigations to restrict access to the S11 interface.

Remote denial of service in Open5GS up to version 2.7.5 affects the SGWC component's TEID-to-IP conversion function, allowing unauthenticated attackers to crash the service over the network. Public exploit code exists for this vulnerability, and while a fix has been developed, no official patch is currently available for affected deployments.

Remote denial of service in Open5GS up to version 2.7.6 affects the SGWC component's bearer response handler, allowing unauthenticated attackers to crash the service over the network. Public exploit code exists for this vulnerability, though a patch (commit b19cf6a) is available to resolve it.

Remote denial of service in Open5GS up to version 2.7.6 allows unauthenticated attackers to crash the SGWC component by manipulating bearer resource failure indication messages. Public exploit code exists for this vulnerability, and a patch is available in commit 69b53add90a9479d7960b822fc60601d659c328b.

Open5gs WebUI authentication can be bypassed by attackers who exploit the default hardcoded JWT signing key ("change-me") that is used when the JWT_SECRET_KEY environment variable is not configured. An attacker can forge valid JWT tokens to gain unauthorized access to the WebUI with limited confidentiality and integrity impacts. A patch is available to remediate this vulnerability by enforcing proper key configuration or using secure defaults.

A vulnerability was determined in Open5GS up to 2.7.6. Impacted is the function sgwc_s11_handle_downlink_data_notification_ack of the file src/sgwc/s11-handler.c of the component sgwc. [CVSS 5.3 MEDIUM]

A security flaw has been discovered in Open5GS up to 2.7.5. This issue affects some unknown processing of the component Timer Handler. [CVSS 5.3 MEDIUM]

A vulnerability was identified in Open5GS up to 2.7.5. This vulnerability affects the function sgwc_bearer_add of the file src/sgwc/context.c. [CVSS 5.3 MEDIUM]

A vulnerability was determined in Open5GS up to 2.7.6. This affects the function sgwc_s11_handle_create_indirect_data_forwarding_tunnel_request of the file /src/sgwc/s11-handler.c. [CVSS 5.3 MEDIUM]

A vulnerability was found in Open5GS up to 2.7.6. Affected by this issue is the function sgwc_s5c_handle_create_session_response of the file src/sgwc/s5c-handler.c. [CVSS 5.3 MEDIUM]

A vulnerability has been found in Open5GS up to 2.7.6. Affected by this vulnerability is an unknown functionality of the component GTPv2 Bearer Response Handler. [CVSS 5.3 MEDIUM]

In Open5GS 2.7.6, AMF crashes when receiving an abnormal NGSetupRequest message, resulting in denial of service. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Uncontrolled Resource Consumption vulnerability could allow attackers to cause denial of service by exhausting system resources.

Open5GS v2.7.5, prior to commit 67ba7f92bbd7a378954895d96d9d7b05d5b64615, is vulnerable to a NULL pointer dereference when a multipart/related HTTP POST request with an empty HTTP body is sent to the. Rated medium severity (CVSS 4.0), this vulnerability is no authentication required, low attack complexity. Public exploit code available.

An issue in Open5GS v2.7.2 and before allows a remote attacker to cause a denial of service via a crafted Create Session Request message to the SMF (PGW-C), using the IP address of a legitimate UE in. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Assertion failure in function ngap_build_downlink_nas_transport in file src/amf/ngap-build.c, the Access and Mobility Management Function (AMF) component, in Open5GS thru 2.7.5 allowing attackers to. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

A security flaw has been discovered in Open5GS up to 2.7.5. Rated medium severity (CVSS 5.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

A vulnerability was determined in Open5GS up to 2.7.5. Rated medium severity (CVSS 5.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

A vulnerability was found in Open5GS up to 2.7.5. Rated medium severity (CVSS 5.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

A vulnerability has been found in Open5GS up to 2.7.5. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

A vulnerability was determined in Open5GS up to 2.7.5. Rated medium severity (CVSS 5.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

A vulnerability was found in Open5GS up to 2.7.5. Rated medium severity (CVSS 5.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

A vulnerability has been found in Open5GS up to 2.7.5. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

A vulnerability was identified in Open5GS up to 2.7.5. Rated medium severity (CVSS 5.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

A vulnerability was found in Open5GS up to 2.7.5. Rated medium severity (CVSS 4.8), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

A denial of service vulnerability (CVSS 7.1) that allows a remote attacker. Risk factors: public PoC available.

A buffer overflow vulnerability (CVSS 7.8) that allows a local attacker. Risk factors: public PoC available.

Buffer overflow vulnerability in the PFCP (Packet Forwarding Control Protocol) library used by open5gs 2.7.2 and earlier. The vulnerability exists in the `ogs_pfcp_dev_add` function due to missing length validation on the `session.dev` field, allowing a local attacker with low privileges to cause a buffer overflow that can result in information disclosure, integrity compromise, or denial of service. The vulnerability has not been reported as actively exploited in the wild (no KEV status indicated), but the low attack complexity and local attack vector make it a practical concern for compromised or insider threat scenarios.

A vulnerability was found in Open5GS up to 2.7.3. It has been declared as problematic. Affected by this vulnerability is the function common_register_state of the file src/mme/emm-sm.c of the component AMF/MME. The manipulation of the argument ran_ue_id leads to denial of service. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of the patch is 62cb99755243c9c38e4c060c5d8d0e158fe8cdd5. It is recommended to apply a patch to fix this issue.

A vulnerability was found in Open5GS up to 2.7.3. It has been classified as problematic. Affected is the function gmm_state_authentication/emm_state_authentication of the component AMF/MME. The manipulation leads to reachable assertion. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 9f5d133657850e6167231527514ee1364d37a884. It is recommended to apply a patch to fix this issue. This is a different issue than CVE-2025-1893.

A vulnerability classified as problematic was found in Open5GS up to 2.7.3. Affected by this vulnerability is the function ngap_handle_path_switch_request_transfer of the file src/smf/ngap-handler.c of the component NGAP PathSwitchRequest Message Handler. The manipulation leads to reachable assertion. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The patch is named 2daa44adab762c47a8cef69cc984946973a845b3. It is recommended to apply a patch to fix this issue.

An issue in UPF in Open5GS UPF versions up to v2.7.2 results an assertion failure vulnerability in PFCP session parameter validation. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

An issue was discovered in Open5GS v2.7.2. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

A vulnerability classified as problematic was found in Open5GS up to 2.7.2. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

A vulnerability was found in Open5GS up to 2.7.2. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.

An issue was discovered in Open5gs v2.7.2. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

An issue in Open5GS v.2.7.2 allows a remote attacker to cause a denial of service via the ogs_dbi_auth_info function in lib/dbi/subscription.c file. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

A reachable assertion in the nas_eps_send_emm_to_esm function of Open5GS <= 2.6.4 allows attackers to cause a Denial of Service (DoS) via a crafted NGAP packet. Rated high severity (CVSS 8.6), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Open5GS MME versions <= 2.6.4 contains an assertion that can be remotely triggered via a malformed ASN.1 packet over the S1AP interface. Rated high severity (CVSS 8.6), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

A reachable assertion in the ogs_kdf_hash_mme function of Open5GS <= 2.6.4 allows attackers to cause a Denial of Service (DoS) via a crafted NAS packet. Rated medium severity (CVSS 5.3), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

A reachable assertion in the mme_ue_find_by_imsi function of Open5GS <= 2.6.4 allows attackers to cause a Denial of Service (DoS) via a crafted NAS packet. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

A reachable assertion in the oai_nas_5gmm_decode function of Open5GS <= 2.6.4 allows attackers to cause a Denial of Service (DoS) via a crafted NGAP packet. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

A reachable assertion in the amf_ue_set_suci function of Open5GS <= 2.6.4 allows attackers to cause a Denial of Service (DoS) via a crafted NAS packet. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.