Cisco Carrier Routing System (CRS) 3.9, 4.0, and 4.1 allows remote attackers to bypass…
Priority LOW 29CWE-863Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-863.
Summary
Cisco Carrier Routing System (CRS) 3.9, 4.0, and 4.1 allows remote attackers to bypass ACL entries via fragmented packets, aka Bug ID CSCtj10975.
Why it matters now
EPSS 0.015 74th 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-2012-1342
- 2026-10-03 Alias added: GHSA-jxf6-q59w-r36q
References
More Cisco Carrier Routing System vulnerabilities
- TI-2018-00106 Memory corruption in Cisco IOS XR CVSS 3.0HIGH 8.6
- TI-2015-00573 Cisco IOS XR 5.0.1 and 5.2.1 on Network Convergence System (NCS) 6000 devices and 5.1.3… CVSS 2.0HIGH 7.1
- TI-2019-01538 Cisco IOS XR Software Intermediate System–to–Intermediate System Denial of Service Vulnerability CVSS 3.1HIGH 7.4
- TI-2019-01531 Cisco IOS XR Software Intermediate System to Intermediate System Denial of Service Vulnerability CVSS 3.1HIGH 7.4
- TI-2013-00961 Cisco Carrier Routing System (CRS) allows remote attackers to cause a denial of service… CVSS 2.0MEDIUM 5.0
- TI-2011-02911 Cisco Carrier Routing System 3.9.1 allows remote attackers to cause a denial of service… CVSS 2.0MEDIUM 5.0
Sources
- CVE-2012-1342 · CVE Program
- CVE-2012-1342 · NVD
- FIRST EPSS
- GHSA-jxf6-q59w-r36q · 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