What is the CVSS score of CVE-2021-21783?

CVE-2021-21783 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 5.0%.

Is there a public PoC exploit available for CVE-2021-21783?

Yes, a public proof-of-concept exploit is available for CVE-2021-21783. Prioritise patching immediately. EPSS: 5.0%.

Is there a patch available for CVE-2021-21783?

Yes, a patch is available for CVE-2021-21783. Update the affected software to the latest version immediately.

Gsoap CVE-2021-21783

CRITICAL

Integer Overflow to Buffer Overflow (CWE-680)

2021-03-25 talos-cna@cisco.com

RCE Gsoap Communications Diameter Signaling Router Communications Eagle Application Processor Communications Eagle Lnp Application Processor Communications Lsms Tekelec Virtual Operating Environment

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Mar 25, 2021 - 17:15 nvd

CRITICAL 9.8

DescriptionNVD

A code execution vulnerability exists in the WS-Addressing plugin functionality of Genivia gSOAP 2.8.107. A specially crafted SOAP request can lead to remote code execution. An attacker can send an HTTP request to trigger this vulnerability.

AnalysisAI

A code execution vulnerability exists in the WS-Addressing plugin functionality of Genivia gSOAP 2.8.107. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified under CWE-680. A code execution vulnerability exists in the WS-Addressing plugin functionality of Genivia gSOAP 2.8.107. A specially crafted SOAP request can lead to remote code execution. An attacker can send an HTTP request to trigger this vulnerability. Affected products include: Genivia Gsoap, Oracle Communications Diameter Signaling Router, Oracle Communications Eagle Application Processor, Oracle Communications Eagle Lnp Application Processor, Oracle Communications Lsms.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.