CVE-2012-1342

medium

Published 2012-08-06 · Modified 2026-04-29

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

5.8

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

CVSS v4 NEW

—

not yet in upstream

VIR risk

5.8

Description

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.

Predictions

Exploit likelihood

68%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Application impact

Vendor	Product	Versions	Fixed
cisco	carrier_routing_system	`3.9.0`
cisco	carrier_routing_system	`4.0.0`
cisco	carrier_routing_system	`4.1.0`

References

CWEs

CWE-863

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.