Cisco IOS Firewall Feature set, aka Context Based Access Control (CBAC) or Cisco Secure…
Priority LOW 37Published · 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
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Cisco IOS Firewall Feature set, aka Context Based Access Control (CBAC) or Cisco Secure Integrated Software, for IOS 11.2P through 12.2T does not properly check the IP protocol type, which could allow remote attackers to bypass access control lists.
Why it matters now
EPSS 0.02091 81st 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
| 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 · 9
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:cisco:ios:11.2p:*:*:*:*:*:*:* | 11.2p | Vulnerable | Cisco |
| cpe:2.3:o:cisco:ios:11.3t:*:*:*:*:*:*:* | 11.3t | Vulnerable | Cisco |
| cpe:2.3:o:cisco:ios:12.0:*:*:*:*:*:*:* | 12.0 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:ios:12.0t:*:*:*:*:*:*:* | 12.0t | Vulnerable | Cisco |
| cpe:2.3:o:cisco:ios:12.1:*:*:*:*:*:*:* | 12.1 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:ios:12.1e:*:*:*:*:*:*:* | 12.1e | Vulnerable | Cisco |
| cpe:2.3:o:cisco:ios:12.1t:*:*:*:*:*:*:* | 12.1t | Vulnerable | Cisco |
| cpe:2.3:o:cisco:ios:12.2:*:*:*:*:*:*:* | 12.2 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:ios:12.2t:*:*:*:*:*:*:* | 12.2t | Vulnerable | Cisco |
- cpe:2.3:o:cisco:ios:11.2p:*:*:*:*:*:*:* Versions 11.2p Vulnerable ·Cisco
- cpe:2.3:o:cisco:ios:11.3t:*:*:*:*:*:*:* Versions 11.3t Vulnerable ·Cisco
- cpe:2.3:o:cisco:ios:12.0:*:*:*:*:*:*:* Versions 12.0 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:12.2t:*:*:*:*:*:*:* Versions 12.2t Vulnerable ·Cisco
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2001-0929
- 2026-10-03 Alias added: GHSA-c9cp-qwv7-4m5r
References
More Cisco Ios vulnerabilities
- 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
Sources
- CVE-2001-0929 · CVE Program
- CVE-2001-0929 · NVD
- FIRST EPSS
- GHSA-c9cp-qwv7-4m5r · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences