CVE-2012-4618
The SIP ALG feature in the NAT implementation in Cisco IOS 12.2, 12.4, and 15.0 through 15.2...
The SIP ALG feature in the NAT implementation in Cisco IOS 12.2, 12.4, and 15.0 through 15.2 allows remote attackers to cause a denial of service (device reload) via transit IP packets, aka Bug ID CSCtn76183.
Exploit likelihood
What each source reports
NVD Score used
The SIP ALG feature in the NAT implementation in Cisco IOS 12.2, 12.4, and 15.0 through 15.2 allows remote attackers to cause a denial of service (device reload) via transit IP packets, aka Bug ID CSCtn76183.
- Record
CVE-2012-4618- CVSS 2.0
- 7.8 High
AV:N/AC:L/Au:N/C:N/I:N/A:C - Weakness
- CWE-399
- Updated
- 2026-11-02
CVE List No score
The SIP ALG feature in the NAT implementation in Cisco IOS 12.2, 12.4, and 15.0 through 15.2 allows remote attackers to cause a denial of service (device reload) via transit IP packets, aka Bug ID CSCtn76183.
- Record
CVE-2012-4618- Updated
- 2026-11-02
EUVDEUVD-2012-4543 No score
The SIP ALG feature in the NAT implementation in Cisco IOS 12.2, 12.4, and 15.0 through 15.2 allows remote attackers to cause a denial of service (device reload) via transit IP packets, aka Bug ID CSCtn76183.
- Record
EUVD-2012-4543- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4c8h-h3m6-vv44 No score
The SIP ALG feature in the NAT implementation in Cisco IOS 12.2, 12.4, and 15.0 through 15.2...
The SIP ALG feature in the NAT implementation in Cisco IOS 12.2, 12.4, and 15.0 through 15.2 allows remote attackers to cause a denial of service (device reload) via transit IP packets, aka Bug ID CSCtn76183.
- Record
GHSA-4c8h-h3m6-vv44- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2012-4618 is a high vulnerability (CVSS 7.8) in Cisco Ios, published September 27, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.72%, the 86th percentile. No source names a fixed version.