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TI-2003-01298 Aliases CVE-2003-1398GHSA-g5ww-8j5m-f3wq

Cisco IOS 12.0 through 12.2, when IP routing is disabled, accepts false ICMP redirect…

Priority MEDIUM 44CWE-200Published · Updated

Key facts

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

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-200.

Summary

Cisco IOS 12.0 through 12.2, when IP routing is disabled, accepts false ICMP redirect messages, which allows remote attackers to cause a denial of service (network routing modification).

Why it matters now

EPSS 0.01846 79th 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 · 12

CPEVersionsRoleVendor
cpe:2.3:o:cisco:ios:12.0:*:*:*:*:*:*:*12.0VulnerableCisco
cpe:2.3:o:cisco:ios:12.0s:*:*:*:*:*:*:*12.0sVulnerableCisco
cpe:2.3:o:cisco:ios:12.0st:*:*:*:*:*:*:*12.0stVulnerableCisco
cpe:2.3:o:cisco:ios:12.0t:*:*:*:*:*:*:*12.0tVulnerableCisco
cpe:2.3:o:cisco:ios:12.1:*:*:*:*:*:*:*12.1VulnerableCisco
cpe:2.3:o:cisco:ios:12.1e:*:*:*:*:*:*:*12.1eVulnerableCisco
cpe:2.3:o:cisco:ios:12.1t:*:*:*:*:*:*:*12.1tVulnerableCisco
cpe:2.3:o:cisco:ios:12.2:*:*:*:*:*:*:*12.2VulnerableCisco
cpe:2.3:o:cisco:ios:12.2e:*:*:*:*:*:*:*12.2eVulnerableCisco
cpe:2.3:o:cisco:ios:12.2f:*:*:*:*:*:*:*12.2fVulnerableCisco
  • cpe:2.3:o:cisco:ios:12.0:*:*:*:*:*:*:* Versions 12.0 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.0s:*:*:*:*:*:*:* Versions 12.0s Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.0st:*:*:*:*:*:*:* Versions 12.0st Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.0t:*:*:*:*:*:*:* Versions 12.0t Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.1:*:*:*:*:*:*:* Versions 12.1 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.1e:*:*:*:*:*:*:* Versions 12.1e Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.1t:*:*:*:*:*:*:* Versions 12.1t Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.2:*:*:*:*:*:*:* Versions 12.2 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.2e:*:*:*:*:*:*:* Versions 12.2e Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.2f:*:*:*:*:*:*:* Versions 12.2f Vulnerable ·Cisco
Show 2 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:cisco:ios:12.2s:*:*:*:*:*:*:*12.2sVulnerableCisco
cpe:2.3:o:cisco:ios:12.2t:*:*:*:*:*:*:*12.2tVulnerableCisco
  • cpe:2.3:o:cisco:ios:12.2s:*:*:*:*:*:*:* Versions 12.2s Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.2t:*:*:*:*:*:*:* Versions 12.2t Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2003-1398
  2. 2026-10-03 Alias added: GHSA-g5ww-8j5m-f3wq

References

Other 1

  • 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