Cisco 12000 with IOS 12.0 and line cards based on Engine 2 does not properly handle the…
Priority LOW 36Published · 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 12000 with IOS 12.0 and line cards based on Engine 2 does not properly handle the implicit "deny ip any any" rule in an outgoing ACL when the ACL contains exactly 448 entries, which can allow some outgoing packets to bypass access restrictions.
Why it matters now
EPSS 0.01392 72nd 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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2001-0864
- 2026-10-03 Alias added: GHSA-mj8r-9574-f85v
References
More Cisco 12000 Router vulnerabilities
- TI-2001-00830 Cisco 12000 with IOS 12.0 and line cards based on Engine 2 does not properly filter does… CVSS 2.0HIGH 7.5
- TI-2001-00829 Cisco 12000 with IOS 12.0 and lines card based on Engine 2 does not properly handle an… CVSS 2.0HIGH 7.5
- TI-2001-00828 Cisco 12000 with IOS 12.0 and line cards based on Engine 2 does not support the… CVSS 2.0HIGH 7.5
- TI-2001-00825 Cisco 12000 with IOS 12.0 and line cards based on Engine 2 does not block non-initial… CVSS 2.0HIGH 7.5
- TI-2001-00826 Cisco 12000 with IOS 12.0 and line cards based on Engine 2 does not handle the "fragment"… CVSS 2.0MEDIUM 5.0
- TI-2001-00824 Cisco 12000 with IOS 12.0 and line cards based on Engine 2 and earlier allows remote… CVSS 2.0MEDIUM 5.0
Sources
- CVE-2001-0864 · CVE Program
- CVE-2001-0864 · NVD
- FIRST EPSS
- GHSA-mj8r-9574-f85v · 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