What is the CVSS score of CVE-2023-31981?

CVE-2023-31981 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.3%.

Is there a public PoC exploit available for CVE-2023-31981?

Yes, a public proof-of-concept exploit is available for CVE-2023-31981. Prioritise patching immediately. EPSS: 0.3%.

Sngrep CVE-2023-31981

HIGH

Out-of-bounds Write (CWE-787)

2023-05-09 cve@mitre.org

Memory Corruption Buffer Overflow Sngrep

7.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

May 09, 2023 - 14:15 nvd

HIGH 7.8

DescriptionNVD

Sngrep v1.6.0 was discovered to contain a stack buffer overflow via the function packet_set_payload at /src/packet.c.

AnalysisAI

Sngrep v1.6.0 was discovered to contain a stack buffer overflow via the function packet_set_payload at /src/packet.c. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. Sngrep v1.6.0 was discovered to contain a stack buffer overflow via the function packet_set_payload at /src/packet.c. Affected products include: Irontec Sngrep.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).