TI-2011-02911 Aliases CVE-2011-3283 GHSA-mc73-q2vf-9vw5

Cisco Carrier Routing System 3.9.1 allows remote attackers to cause a denial of service…

LOW 26CWE-20Published 2012-05-02 · Updated 2024-08-06

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 Carrier Routing System 3.9.1 allows remote attackers to cause a denial of service (Metro subsystem crash) via a fragmented GRE packet, aka Bug ID CSCts14887.

Why it matters now

EPSS 0.01535 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

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:cisco:carrier_routing_system:3.9.1:::::::*	3.9.1	Vulnerable	Cisco

cpe:2.3:a:cisco:carrier_routing_system:3.9.1:*:*:*:*:*:*:* Versions 3.9.1 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2011-3283
2026-10-03 Alias added: GHSA-mc73-q2vf-9vw5

References

Patch 1

http://www.cisco.com/cisco/software/release.html?mdfid=280777815&softwareid=280867577&release=3.9.1

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-2012-01192 Cisco Carrier Routing System (CRS) 3.9, 4.0, and 4.1 allows remote attackers to bypass… CVSS 3.1MEDIUM 5.8
TI-2013-00961 Cisco Carrier Routing System (CRS) allows remote attackers to cause a denial of service… CVSS 2.0MEDIUM 5.0

See all 7 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences