kbrain

CVE-2013-1166

HIGH · CVSS 7.8EPSS 1.9%EU EUVD

Cisco IOS XE 3.2 through 3.4 before 3.4.5S, and 3.5 through 3.7 before 3.7.1S, on 1000 series Aggregation Services Routers (ASR), when VRF-aware NAT and SIP ALG are enabled, allows remote attackers to cause a denial of service (card reload) by sending many SIP packets, aka Bug ID CSCuc65609.

Key facts

CVSS score
7.8 (v2.0)
Severity
HIGH
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness (CWE)
CWE-20
EPSS score
1.9% (80th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2013-1206)
Published
April 11, 2013
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2013-1206 in the EU Vulnerability Database. Last updated in EUVD on September 17, 2024.

View on the EU Vulnerability Database

Affected products

  • cisco / asr 1001
  • cisco / asr 1002
  • cisco / asr 1002 fixed router
  • cisco / asr 1002-x
  • cisco / asr 1004
  • cisco / asr 1006
  • cisco / asr 1023 router
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe
  • cisco / ios xe

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

Query CVEs from your AI assistant

The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.

Add the CVE brain