CVE-2022-44792
CVE-2022-44792 is a medium-severity vulnerability in Net-snmp with a CVSS 3.x base score of 6.5. Its EPSS exploit-prediction score of 52% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-476.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- EPSS exploit prediction: 52% (99th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-476
- Affected product: Net-snmp
- Published:
- Last modified:
Description
handle_ipDefaultTTL in agent/mibgroup/ip-mib/ip_scalars.c in Net-SNMP 5.8 through 5.9.3 has a NULL Pointer Exception bug that can be used by a remote attacker (who has write access) to cause the instance to crash via a crafted UDP packet, resulting in Denial of Service.
Frequently asked questions
- What is CVE-2022-44792?
- handle_ipDefaultTTL in agent/mibgroup/ip-mib/ip_scalars.c in Net-SNMP 5.8 through 5.9.3 has a NULL Pointer Exception bug that can be used by a remote attacker (who has write access) to cause the instance to crash via a crafted UDP packet, resulting in Denial of Service.
- How severe is CVE-2022-44792?
- CVE-2022-44792 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2022-44792 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 52% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-44792?
- CVE-2022-44792 primarily affects Net-snmp. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2022-44792?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2022-44792 published?
- CVE-2022-44792 was published on 2022-11-07 and last updated on 2026-06-17.
References
- https://gist.github.com/menglong2234/b7bc13ae1a144f47cc3c95a7ea062428
- https://github.com/net-snmp/net-snmp/issues/474
- https://lists.debian.org/debian-lts-announce/2023/01/msg00010.html
- https://security.netapp.com/advisory/ntap-20230223-0011/
Affected products (6)
- cpe:2.3:a:net-snmp:net-snmp:*:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*
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Browse all CWE-476 (NULL Pointer Dereference) vulnerabilities →