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TI-2007-00894 Aliases CVE-2007-0918GHSA-q9c9-whcq-8v29

The ATOMIC.TCP signature engine in the Intrusion Prevention System (IPS) feature for…

Priority LOW 37Published · Updated

Key facts

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

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

Summary

The ATOMIC.TCP signature engine in the Intrusion Prevention System (IPS) feature for Cisco IOS 12.4XA, 12.3YA, 12.3T, and other trains allows remote attackers to cause a denial of service (IPS crash and traffic loss) via unspecified manipulations that are not properly handled by the regular expression feature, as demonstrated using the 3123.0 (Netbus Pro Traffic) signature.

Why it matters now

EPSS 0.03207 88th 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 · 25

CPEVersionsRoleVendor
cpe:2.3:o:cisco:ios:12.3t:*:*:*:*:*:*:*12.3tVulnerableCisco
cpe:2.3:o:cisco:ios:12.3xq:*:*:*:*:*:*:*12.3xqVulnerableCisco
cpe:2.3:o:cisco:ios:12.3xr:*:*:*:*:*:*:*12.3xrVulnerableCisco
cpe:2.3:o:cisco:ios:12.3xs:*:*:*:*:*:*:*12.3xsVulnerableCisco
cpe:2.3:o:cisco:ios:12.3xw:*:*:*:*:*:*:*12.3xwVulnerableCisco
cpe:2.3:o:cisco:ios:12.3xx:*:*:*:*:*:*:*12.3xxVulnerableCisco
cpe:2.3:o:cisco:ios:12.3xy:*:*:*:*:*:*:*12.3xyVulnerableCisco
cpe:2.3:o:cisco:ios:12.3ya:*:*:*:*:*:*:*12.3yaVulnerableCisco
cpe:2.3:o:cisco:ios:12.3yd:*:*:*:*:*:*:*12.3ydVulnerableCisco
cpe:2.3:o:cisco:ios:12.3yg:*:*:*:*:*:*:*12.3ygVulnerableCisco
  • cpe:2.3:o:cisco:ios:12.3t:*:*:*:*:*:*:* Versions 12.3t Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.3xq:*:*:*:*:*:*:* Versions 12.3xq Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.3xr:*:*:*:*:*:*:* Versions 12.3xr Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.3xs:*:*:*:*:*:*:* Versions 12.3xs Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.3xw:*:*:*:*:*:*:* Versions 12.3xw Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.3xx:*:*:*:*:*:*:* Versions 12.3xx Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.3xy:*:*:*:*:*:*:* Versions 12.3xy Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.3ya:*:*:*:*:*:*:* Versions 12.3ya Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.3yd:*:*:*:*:*:*:* Versions 12.3yd Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.3yg:*:*:*:*:*:*:* Versions 12.3yg Vulnerable ·Cisco
Show 15 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:cisco:ios:12.3yh:*:*:*:*:*:*:*12.3yhVulnerableCisco
cpe:2.3:o:cisco:ios:12.3yi:*:*:*:*:*:*:*12.3yiVulnerableCisco
cpe:2.3:o:cisco:ios:12.3yj:*:*:*:*:*:*:*12.3yjVulnerableCisco
cpe:2.3:o:cisco:ios:12.3yk:*:*:*:*:*:*:*12.3ykVulnerableCisco
cpe:2.3:o:cisco:ios:12.3ym:*:*:*:*:*:*:*12.3ymVulnerableCisco
cpe:2.3:o:cisco:ios:12.3yq:*:*:*:*:*:*:*12.3yqVulnerableCisco
cpe:2.3:o:cisco:ios:12.3ys:*:*:*:*:*:*:*12.3ysVulnerableCisco
cpe:2.3:o:cisco:ios:12.3yt:*:*:*:*:*:*:*12.3ytVulnerableCisco
cpe:2.3:o:cisco:ios:12.3yx:*:*:*:*:*:*:*12.3yxVulnerableCisco
cpe:2.3:o:cisco:ios:12.3yz:*:*:*:*:*:*:*12.3yzVulnerableCisco
cpe:2.3:o:cisco:ios:12.4:*:*:*:*:*:*:*12.4VulnerableCisco
cpe:2.3:o:cisco:ios:12.4mr:*:*:*:*:*:*:*12.4mrVulnerableCisco
cpe:2.3:o:cisco:ios:12.4t:*:*:*:*:*:*:*12.4tVulnerableCisco
cpe:2.3:o:cisco:ios:12.4xa:*:*:*:*:*:*:*12.4xaVulnerableCisco
cpe:2.3:o:cisco:ios:12.4xb:*:*:*:*:*:*:*12.4xbVulnerableCisco
  • cpe:2.3:o:cisco:ios:12.3yh:*:*:*:*:*:*:* Versions 12.3yh Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.3yi:*:*:*:*:*:*:* Versions 12.3yi Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.3yj:*:*:*:*:*:*:* Versions 12.3yj Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.3yk:*:*:*:*:*:*:* Versions 12.3yk Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.3ym:*:*:*:*:*:*:* Versions 12.3ym Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.3yq:*:*:*:*:*:*:* Versions 12.3yq Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.3ys:*:*:*:*:*:*:* Versions 12.3ys Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.3yt:*:*:*:*:*:*:* Versions 12.3yt Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.3yx:*:*:*:*:*:*:* Versions 12.3yx Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.3yz:*:*:*:*:*:*:* Versions 12.3yz Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.4:*:*:*:*:*:*:* Versions 12.4 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.4mr:*:*:*:*:*:*:* Versions 12.4mr Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.4t:*:*:*:*:*:*:* Versions 12.4t Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.4xa:*:*:*:*:*:*:* Versions 12.4xa Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:12.4xb:*:*:*:*:*:*:* Versions 12.4xb Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2007-0918
  2. 2026-10-03 Alias added: GHSA-q9c9-whcq-8v29

References

Advisory 3

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