CVE-2012-0383
Memory leak in the NAT feature in Cisco IOS 12.4, 15.0, and 15.1 allows remote attackers to cause...
Memory leak in the NAT feature in Cisco IOS 12.4, 15.0, and 15.1 allows remote attackers to cause a denial of service (memory consumption, and device hang or reload) via SIP packets that require translation, related to a "memory starvation vulnerability," aka Bug ID CSCti35326.
Exploit likelihood
What each source reports
NVD Score used
Memory leak in the NAT feature in Cisco IOS 12.4, 15.0, and 15.1 allows remote attackers to cause a denial of service (memory consumption, and device hang or reload) via SIP packets that require translation, related to a "memory starvation vulnerability," aka Bug ID CSCti35326.
- Record
CVE-2012-0383- 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
Memory leak in the NAT feature in Cisco IOS 12.4, 15.0, and 15.1 allows remote attackers to cause a denial of service (memory consumption, and device hang or reload) via SIP packets that require translation, related to a "memory starvation vulnerability," aka Bug ID CSCti35326.
- Record
CVE-2012-0383- Updated
- 2026-11-02
EUVDEUVD-2012-0419 No score
Memory leak in the NAT feature in Cisco IOS 12.4, 15.0, and 15.1 allows remote attackers to cause a denial of service (memory consumption, and device hang or reload) via SIP packets that require translation, related to a "memory starvation vulnerability," aka Bug ID CSCti35326.
- Record
EUVD-2012-0419- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fhr5-wq74-m4f9 No score
Memory leak in the NAT feature in Cisco IOS 12.4, 15.0, and 15.1 allows remote attackers to cause...
Memory leak in the NAT feature in Cisco IOS 12.4, 15.0, and 15.1 allows remote attackers to cause a denial of service (memory consumption, and device hang or reload) via SIP packets that require translation, related to a "memory starvation vulnerability," aka Bug ID CSCti35326.
- Record
GHSA-fhr5-wq74-m4f9- 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-2012-0383 is a high vulnerability (CVSS 7.8) in Cisco Ios, published March 29, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.99%, the 80th percentile. No source names a fixed version.
References
osvdb.org/80701
securityfocus.com/bid/52758
exchange.xforce.ibmcloud.com/vulnerabilities/74432
secunia.com/advisories/48515
securitytracker.com/id?1026864
tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120328-nat
nvd.nist.gov/vuln/detail/CVE-2012-0383
github.com/advisories/GHSA-fhr5-wq74-m4f9