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TI-2005-00154 Aliases CVE-2005-0186GHSA-hg8v-hj76-3f4v

Cisco IOS 12.1YD, 12.2T, 12.3 and 12.3T, when configured for the IOS Telephony Service…

Priority LOW 28Published · 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
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

Cisco IOS 12.1YD, 12.2T, 12.3 and 12.3T, when configured for the IOS Telephony Service (ITS), CallManager Express (CME) or Survivable Remote Site Telephony (SRST), allows remote attackers to cause a denial of service (device reboot) via a malformed packet to the SCCP port.

Why it matters now

EPSS 0.02638 85th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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 · 4

CPEVersionsRoleVendor
cpe:2.3:o:cisco:ios:12.1yd:*:*:*:*:*:*:*12.1ydVulnerableCisco
cpe:2.3:o:cisco:ios:12.2t:*:*:*:*:*:*:*12.2tVulnerableCisco
cpe:2.3:o:cisco:ios:12.3:*:*:*:*:*:*:*12.3VulnerableCisco
cpe:2.3:o:cisco:ios:12.3t:*:*:*:*:*:*:*12.3tVulnerableCisco
  • cpe:2.3:o:cisco:ios:12.1yd:*:*:*:*:*:*:* Versions 12.1yd Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.2t:*:*:*:*:*:*:* Versions 12.2t Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.3:*:*:*:*:*:*:* Versions 12.3 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.3t:*:*:*:*:*:*:* Versions 12.3t Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2005-0186
  2. 2026-10-03 Alias added: GHSA-hg8v-hj76-3f4v

References

  • 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