What is the CVSS score of CVE-2023-46123?

CVE-2023-46123 has a CVSS 3.1 base score of 5.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N. EPSS exploitation probability: 0.7%.

Is there a public PoC exploit available for CVE-2023-46123?

Yes, a public proof-of-concept exploit is available for CVE-2023-46123. Prioritise patching immediately. EPSS: 0.7%.

Jumpserver CVE-2023-46123

MEDIUM

Improper Restriction of Excessive Authentication Attempts (CWE-307)

2023-10-25 security-advisories@github.com

Authentication Bypass Jumpserver

5.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.3 MEDIUM

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

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:L/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Oct 25, 2023 - 18:17 nvd

MEDIUM 5.3

DescriptionNVD

jumpserver is an open source bastion machine, professional operation and maintenance security audit system that complies with 4A specifications. A flaw in the Core API allows attackers to bypass password brute-force protections by spoofing arbitrary IP addresses. By exploiting this vulnerability, attackers can effectively make unlimited password attempts by altering their apparent IP address for each request. This vulnerability has been patched in version 3.8.0.

AnalysisAI

jumpserver is an open source bastion machine, professional operation and maintenance security audit system that complies with 4A specifications. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-307. jumpserver is an open source bastion machine, professional operation and maintenance security audit system that complies with 4A specifications. A flaw in the Core API allows attackers to bypass password brute-force protections by spoofing arbitrary IP addresses. By exploiting this vulnerability, attackers can effectively make unlimited password attempts by altering their apparent IP address for each request. This vulnerability has been patched in version 3.8.0. Affected products include: Fit2Cloud Jumpserver. Version information: version 3.8.0..

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.