What is the CVSS score of CVE-2023-30803?

CVE-2023-30803 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: 18.2%.

Is there a public PoC exploit available for CVE-2023-30803?

Yes, a public proof-of-concept exploit is available for CVE-2023-30803. Prioritise patching immediately. EPSS: 18.2%.

Next Gen Application Firewall CVE-2023-30803

CRITICAL

Authentication Bypass by Spoofing (CWE-290)

2023-10-10 disclosure@vulncheck.com

Authentication Bypass Next Gen Application Firewall

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

Oct 10, 2023 - 15:15 nvd

CRITICAL 9.8

DescriptionNVD

The Sangfor Next-Gen Application Firewall version NGAF8.0.17 is vulnerable to an authentication bypass vulnerability. A remote and unauthenticated attacker can bypass authentication and access administrative functionality by sending HTTP requests using a crafted Y-forwarded-for header.

AnalysisAI

The Sangfor Next-Gen Application Firewall version NGAF8.0.17 is vulnerable to an authentication bypass vulnerability. Rated critical severity (CVSS 9.8), 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-290. The Sangfor Next-Gen Application Firewall version NGAF8.0.17 is vulnerable to an authentication bypass vulnerability. A remote and unauthenticated attacker can bypass authentication and access administrative functionality by sending HTTP requests using a crafted Y-forwarded-for header. Affected products include: Sangfor Next-Gen Application Firewall.

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.