CVE-2023-31981
CVE-2023-31981 is a high-severity vulnerability in Irontec Sngrep with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- EPSS exploit prediction: 0% (23rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Irontec Sngrep
- Published:
- Last modified:
Description
Sngrep v1.6.0 was discovered to contain a stack buffer overflow via the function packet_set_payload at /src/packet.c.
Frequently asked questions
- What is CVE-2023-31981?
- Sngrep v1.6.0 was discovered to contain a stack buffer overflow via the function packet_set_payload at /src/packet.c.
- How severe is CVE-2023-31981?
- CVE-2023-31981 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-31981 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-31981?
- CVE-2023-31981 affects Irontec Sngrep. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-31981?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2023-31981 published?
- CVE-2023-31981 was published on 2023-05-09 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:irontec:sngrep:1.6.0:*:*:*:*:*:*:*
More vulnerabilities in Irontec Sngrep
- CVE-2024-3120 — Critical (CVSS 9.0): A stack-buffer overflow vulnerability exists in all versions of sngrep since v1.4.1. The flaw is due to inadequate…
- CVE-2024-3119 — Critical (CVSS 9.0): A buffer overflow vulnerability exists in all versions of sngrep since v0.4.2, due to improper handling of 'Call-ID'…
- CVE-2023-36192 — High (CVSS 7.8): Sngrep v1.6.0 was discovered to contain a heap buffer overflow via the function capture_ws_check_packet at…
- CVE-2023-31982 — High (CVSS 7.8): Sngrep v1.6.0 was discovered to contain a heap buffer overflow via the function capture_packet_reasm_ip at…
- CVE-2024-35434 — High (CVSS 7.5): Irontec Sngrep v1.8.1 was discovered to contain a heap buffer overflow via the function rtp_check_packet at…
All CVEs affecting Irontec Sngrep →
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