Net-SNMP 5.0.x before 5.0.10.2, 5.2.x before 5.2.1.2, and 5.1.3, when net-snmp is using…
Priority LOW 30CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
Net-SNMP 5.0.x before 5.0.10.2, 5.2.x before 5.2.1.2, and 5.1.3, when net-snmp is using stream sockets such as TCP, allows remote attackers to cause a denial of service (daemon hang and CPU consumption) via a TCP packet of length 1, which triggers an infinite loop.
Why it matters now
EPSS 0.03928 90th percentileScored 2026-11-07
Fix Fixed Red Hat: 3 advisories
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 14
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:net-snmp:net-snmp:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | net-snmp |
| cpe:2.3:a:net-snmp:net-snmp:5.0.1:*:*:*:*:*:*:* | 5.0.1 | Vulnerable | net-snmp |
| cpe:2.3:a:net-snmp:net-snmp:5.0.2:*:*:*:*:*:*:* | 5.0.2 | Vulnerable | net-snmp |
| cpe:2.3:a:net-snmp:net-snmp:5.0.3:*:*:*:*:*:*:* | 5.0.3 | Vulnerable | net-snmp |
| cpe:2.3:a:net-snmp:net-snmp:5.0.4_pre2:*:*:*:*:*:*:* | 5.0.4_pre2 | Vulnerable | net-snmp |
| cpe:2.3:a:net-snmp:net-snmp:5.0.5:*:*:*:*:*:*:* | 5.0.5 | Vulnerable | net-snmp |
| cpe:2.3:a:net-snmp:net-snmp:5.0.6:*:*:*:*:*:*:* | 5.0.6 | Vulnerable | net-snmp |
| cpe:2.3:a:net-snmp:net-snmp:5.0.7:*:*:*:*:*:*:* | 5.0.7 | Vulnerable | net-snmp |
| cpe:2.3:a:net-snmp:net-snmp:5.0.8:*:*:*:*:*:*:* | 5.0.8 | Vulnerable | net-snmp |
| cpe:2.3:a:net-snmp:net-snmp:5.0.9:*:*:*:*:*:*:* | 5.0.9 | Vulnerable | net-snmp |
- cpe:2.3:a:net-snmp:net-snmp:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·net-snmp
- cpe:2.3:a:net-snmp:net-snmp:5.0.1:*:*:*:*:*:*:* Versions 5.0.1 Vulnerable ·net-snmp
- cpe:2.3:a:net-snmp:net-snmp:5.0.2:*:*:*:*:*:*:* Versions 5.0.2 Vulnerable ·net-snmp
- cpe:2.3:a:net-snmp:net-snmp:5.0.3:*:*:*:*:*:*:* Versions 5.0.3 Vulnerable ·net-snmp
- cpe:2.3:a:net-snmp:net-snmp:5.0.4_pre2:*:*:*:*:*:*:* Versions 5.0.4_pre2 Vulnerable ·net-snmp
- cpe:2.3:a:net-snmp:net-snmp:5.0.5:*:*:*:*:*:*:* Versions 5.0.5 Vulnerable ·net-snmp
- cpe:2.3:a:net-snmp:net-snmp:5.0.6:*:*:*:*:*:*:* Versions 5.0.6 Vulnerable ·net-snmp
- cpe:2.3:a:net-snmp:net-snmp:5.0.7:*:*:*:*:*:*:* Versions 5.0.7 Vulnerable ·net-snmp
- cpe:2.3:a:net-snmp:net-snmp:5.0.8:*:*:*:*:*:*:* Versions 5.0.8 Vulnerable ·net-snmp
- cpe:2.3:a:net-snmp:net-snmp:5.0.9:*:*:*:*:*:*:* Versions 5.0.9 Vulnerable ·net-snmp
Show 4 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:net-snmp:net-snmp:5.0.10:*:*:*:*:*:*:* | 5.0.10 | Vulnerable | net-snmp |
| cpe:2.3:a:net-snmp:net-snmp:5.1.3:*:*:*:*:*:*:* | 5.1.3 | Vulnerable | net-snmp |
| cpe:2.3:a:net-snmp:net-snmp:5.2:*:*:*:*:*:*:* | 5.2 | Vulnerable | net-snmp |
| cpe:2.3:a:net-snmp:net-snmp:5.2.1:*:*:*:*:*:*:* | 5.2.1 | Vulnerable | net-snmp |
- cpe:2.3:a:net-snmp:net-snmp:5.0.10:*:*:*:*:*:*:* Versions 5.0.10 Vulnerable ·net-snmp
- cpe:2.3:a:net-snmp:net-snmp:5.1.3:*:*:*:*:*:*:* Versions 5.1.3 Vulnerable ·net-snmp
- cpe:2.3:a:net-snmp:net-snmp:5.2:*:*:*:*:*:*:* Versions 5.2 Vulnerable ·net-snmp
- cpe:2.3:a:net-snmp:net-snmp:5.2.1:*:*:*:*:*:*:* Versions 5.2.1 Vulnerable ·net-snmp
Remediation
Red Hat 3 advisories
- RHSA-2005:395 Released 2005-10-05 · Red Hat rating Lownet-snmp security update
- Red Hat Enterprise Linux AS version 4 net-snmp-5.1.2-11.EL4.6, net-snmp-5.1.2-11.EL4.6.i386, net-snmp-5.1.2-11.EL4.6.ia64 +17
- Red Hat Enterprise Linux Desktop version 4 net-snmp-5.1.2-11.EL4.6, net-snmp-5.1.2-11.EL4.6.i386, net-snmp-devel-5.1.2-11.EL4.6 +7
- Red Hat Enterprise Linux ES version 4 net-snmp-5.1.2-11.EL4.6, net-snmp-5.1.2-11.EL4.6.i386, net-snmp-5.1.2-11.EL4.6.ia64 +12
- Red Hat Enterprise Linux WS version 4 net-snmp-5.1.2-11.EL4.6, net-snmp-5.1.2-11.EL4.6.i386, net-snmp-5.1.2-11.EL4.6.ia64 +12
- RHSA-2005:373 Released 2005-09-28 · Red Hat rating Lownet-snmp security update
- Red Hat Desktop version 3 net-snmp-5.0.9-2.30E.19, net-snmp-5.0.9-2.30E.19.i386, net-snmp-devel-5.0.9-2.30E.19 +7
- Red Hat Enterprise Linux AS version 3 net-snmp-5.0.9-2.30E.19, net-snmp-5.0.9-2.30E.19.i386, net-snmp-5.0.9-2.30E.19.ia64 +17
- Red Hat Enterprise Linux ES version 3 net-snmp-5.0.9-2.30E.19, net-snmp-5.0.9-2.30E.19.i386, net-snmp-5.0.9-2.30E.19.ia64 +12
- Red Hat Enterprise Linux WS version 3 net-snmp-5.0.9-2.30E.19, net-snmp-5.0.9-2.30E.19.i386, net-snmp-5.0.9-2.30E.19.ia64 +12
- RHSA-2005:720 Released 2005-08-09 · Red Hat rating Lowucd-snmp security update
- Red Hat Enterprise Linux AS (Advanced Server) version 2.1
- Red Hat Enterprise Linux ES version 2.1
- Red Hat Enterprise Linux WS version 2.1
- Red Hat Linux Advanced Workstation 2.1
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Desktop version 3 | Fixed | RHSA-2005:373 |
| Red Hat Enterprise Linux AS (Advanced Server) version 2.1 | Fixed | RHSA-2005:720 |
| Red Hat Enterprise Linux AS version 3 | Fixed | RHSA-2005:373 |
| Red Hat Enterprise Linux AS version 4 | Fixed | RHSA-2005:395 |
| Red Hat Enterprise Linux Desktop version 4 | Fixed | RHSA-2005:395 |
| Red Hat Enterprise Linux ES version 2.1 | Fixed | RHSA-2005:720 |
| Red Hat Enterprise Linux ES version 3 | Fixed | RHSA-2005:373 |
| Red Hat Enterprise Linux ES version 4 | Fixed | RHSA-2005:395 |
| Red Hat Enterprise Linux WS version 2.1 | Fixed | RHSA-2005:720 |
| Red Hat Enterprise Linux WS version 3 | Fixed | RHSA-2005:373 |
| Red Hat Enterprise Linux WS version 4 | Fixed | RHSA-2005:395 |
| Red Hat Linux Advanced Workstation 2.1 | Fixed | RHSA-2005:720 |
Timeline
- 2026-10-02 Threatist record created from CVE-2005-2177
- 2026-10-03 Alias added: GHSA-cqhx-q2jc-7rj5
References
Patch 2
Advisory 13
Other 6
- oval:org.mitre.oval:def:9986
- http://www.vmware.com/download/esx/esx-202-200610-patch.html
- http://www.vmware.com/download/esx/esx-213-200610-patch.html
- http://support.avaya.com/elmodocs2/security/ASA-2005-225.pdf
- http://www.vmware.com/download/esx/esx-254-200610-patch.html
- http://www.net-snmp.org/about/ChangeLog.html
More Net-snmp vulnerabilities
- TI-2025-42133 Net-SNMP snmptrapd crash CVSS 3.1CRITICAL 9.8
- TI-2018-12840 snmp_oid_compare in snmplib/snmp_api.c in Net-SNMP before 5.8 has a NULL Pointer… CVSS 3.1HIGH 7.5
- TI-2015-04735 The snmp_pdu_parse function in snmp_api.c in net-snmp 5.7.2 and earlier does not remove… CVSS 3.1HIGH 7.5
- TI-2022-22058 handle_ipv6IpForwarding in agent/mibgroup/ip-mib/ip_scalars.c in Net-SNMP 5.4.3 through… CVSS 3.1MEDIUM 6.5
- TI-2022-22057 handle_ipDefaultTTL in agent/mibgroup/ip-mib/ip_scalars.c in Net-SNMP 5.8 through 5.9.3… CVSS 3.1MEDIUM 6.5
- TI-2007-05612 The SNMP agent (snmp_agent.c) in net-snmp before 5.4.1 allows remote attackers to cause a… CVSS 2.0HIGH 7.8
Sources
- CVE-2005-2177 · CVE Program
- CVE-2005-2177 · NVD
- FIRST EPSS
- GHSA-cqhx-q2jc-7rj5 · GitHub Advisory Database · CC BY 4.0
- CVE-2005-2177 · Red Hat security data · CC BY 4.0
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