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TI-2009-01108 Aliases CVE-2009-1168GHSA-f9rq-57pv-7hrf

Cisco IOS 12.0(32)S12 through 12.0(32)S13 and 12.0(33)S3 through 12.0(33)S4, 12.0(32)SY8…

Priority LOW 36CWE-399Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Complete
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-399 and the CVSS impact.

Summary

Cisco IOS 12.0(32)S12 through 12.0(32)S13 and 12.0(33)S3 through 12.0(33)S4, 12.0(32)SY8 through 12.0(32)SY9, 12.2(33)SXI1, 12.2XNC before 12.2(33)XNC2, 12.2XND before 12.2(33)XND1, and 12.4(24)T1; and IOS XE 2.3 through 2.3.1t and 2.4 through 2.4.0; when RFC4893 BGP routing is enabled, allows remote attackers to cause a denial of service (memory corruption and device reload) by using an RFC4271 peer to send an update with a long series of AS numbers, aka Bug ID CSCsy86021.

Why it matters now

EPSS 0.0245 84th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 15

CPEVersionsRoleVendor
cpe:2.3:o:cisco:ios:12.0\(32\)s12:*:*:*:*:*:*:*12.0(32)s12VulnerableCisco
cpe:2.3:o:cisco:ios:12.0\(32\)s13:*:*:*:*:*:*:*12.0(32)s13VulnerableCisco
cpe:2.3:o:cisco:ios:12.0\(32\)sy8:*:*:*:*:*:*:*12.0(32)sy8VulnerableCisco
cpe:2.3:o:cisco:ios:12.0\(32\)sy9:*:*:*:*:*:*:*12.0(32)sy9VulnerableCisco
cpe:2.3:o:cisco:ios:12.0\(33\)s3:*:*:*:*:*:*:*12.0(33)s3VulnerableCisco
cpe:2.3:o:cisco:ios:12.0\(33\)s4:*:*:*:*:*:*:*12.0(33)s4VulnerableCisco
cpe:2.3:o:cisco:ios:12.2\(33\)sxi1:*:*:*:*:*:*:*12.2(33)sxi1VulnerableCisco
cpe:2.3:o:cisco:ios:12.2\(33\)sxi2:*:*:*:*:*:*:*12.2(33)sxi2VulnerableCisco
cpe:2.3:o:cisco:ios:12.2xnc:*:*:*:*:*:*:*12.2xncVulnerableCisco
cpe:2.3:o:cisco:ios:12.2xnd:*:*:*:*:*:*:*12.2xndVulnerableCisco
  • cpe:2.3:o:cisco:ios:12.0\(32\)s12:*:*:*:*:*:*:* Versions 12.0(32)s12 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.0\(32\)s13:*:*:*:*:*:*:* Versions 12.0(32)s13 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.0\(32\)sy8:*:*:*:*:*:*:* Versions 12.0(32)sy8 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.0\(32\)sy9:*:*:*:*:*:*:* Versions 12.0(32)sy9 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.0\(33\)s3:*:*:*:*:*:*:* Versions 12.0(33)s3 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.0\(33\)s4:*:*:*:*:*:*:* Versions 12.0(33)s4 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.2\(33\)sxi1:*:*:*:*:*:*:* Versions 12.2(33)sxi1 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.2\(33\)sxi2:*:*:*:*:*:*:* Versions 12.2(33)sxi2 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.2xnc:*:*:*:*:*:*:* Versions 12.2xnc Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.2xnd:*:*:*:*:*:*:* Versions 12.2xnd Vulnerable ·Cisco
Show 5 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:cisco:ios:12.4\(24\)t1:*:*:*:*:*:*:*12.4(24)t1VulnerableCisco
cpe:2.3:o:cisco:ios_xe:2.3:*:*:*:*:*:*:*2.3VulnerableCisco
cpe:2.3:o:cisco:ios_xe:2.3.1t:*:*:*:*:*:*:*2.3.1tVulnerableCisco
cpe:2.3:o:cisco:ios_xe:2.4:*:*:*:*:*:*:*2.4VulnerableCisco
cpe:2.3:o:cisco:ios_xe:2.4.0:*:*:*:*:*:*:*2.4.0VulnerableCisco
  • cpe:2.3:o:cisco:ios:12.4\(24\)t1:*:*:*:*:*:*:* Versions 12.4(24)t1 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios_xe:2.3:*:*:*:*:*:*:* Versions 2.3 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios_xe:2.3.1t:*:*:*:*:*:*:* Versions 2.3.1t Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios_xe:2.4:*:*:*:*:*:*:* Versions 2.4 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios_xe:2.4.0:*:*:*:*:*:*:* Versions 2.4.0 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2009-1168
  2. 2026-10-03 Alias added: GHSA-f9rq-57pv-7hrf

References

Patch 1

Other 2

  • TI-2018-00138 Improper input validation in Cisco IOS and IOS XE KEVCVSS 3.1CRITICAL 9.8
  • TI-2017-09019 Improper input validation in Cisco IOS and IOS XE KEVCVSS 3.1CRITICAL 9.8
  • TI-2017-02977 Improper input validation in Cisco IOS and IOS XE Software KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-00135 Memory corruption in Cisco IOS, IOS XE, and IOS XR KEVCVSS 3.1HIGH 8.8
  • TI-2017-04499 Memory corruption in Cisco IOS KEVCVSS 3.1HIGH 8.8
  • TI-2017-04498 Memory corruption in Cisco IOS KEVCVSS 3.1HIGH 8.8
See all 617 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences