6.5

CVE-2022-44793: debian debian_linux NULL Pointer Dereference

CVSS: 6.5v3.1MediumModified
AliasesALPINE-CVE-2022-44793UBUNTU-CVE-2022-44793DEBIAN-CVE-2022-44793
Published 07-11-2022Last modified 05-05-2025

Vulnerability summary

CVE-2022-44793 is a medium (CVSS 6.5) NULL Pointer Dereference vulnerability in debian debian_linux. EPSS estimates a 53.46% chance of exploitation in the next 30 days, higher than 98.9% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
47/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
53.46%
0%100%
Critical · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2github

Advisory lineage

Upstream 0 · Downstream 9 · Related 4

Timeline

  1. 07-11-2022
    PublishedVulnerability first disclosed.
  2. 05-05-2025
    Last modifiedVulnerability information updated.

Description

handle_ipv6IpForwarding in agent/mibgroup/ip-mib/ip_scalars.c in Net-SNMP 5.4.3 through 5.9.3 has a NULL Pointer Exception bug that can be used by a remote attacker to cause the instance to crash via a crafted UDP packet, resulting in Denial of Service.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

53.46%

Chance of exploitation in the next 30 days

Percentile

99%

Versus all other CVEs

30-day change

0.00 pp

From 53.46% on 18-09-2026

18-09-202618-10-2026
EPSS score
53.46%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • githubUnverified

    Net Snmp

    Maturity: poc

  • githubUnverified

    D07A65B5028145C9F4E1D1Db8C4C202F

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Netapp4 products
Debian2 products
Alpine1 product
  • net-snmp≥ 5.4.3, < 5.9.3-r1 | ≥ 5.4.3, < 5.9.3-r2
Net-snmp1 product
Opensuse1 product
  • net-snmp&distro=openSUSE Tumbleweed< 5.9.3-4.1
Ubuntu1 product
  • net-snmp< 5.7.2~dfsg-8.1ubuntu3.3+esm3 | < 5.7.3+dfsg-1ubuntu4.6+esm1 | < 5.7.3+dfsg-1.8ubuntu3.8 | < 5.8+dfsg-2ubuntu2.6 | < 5.9.1+dfsg-1ubuntu2.4

6 vendors · 10 products

References

12 links
Show all 12 references