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CVE-2012-0383
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,…
High7.8EPSS 2.0%
- Published
- Updated
- Reserved
- Assigned by
- cisco
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
- EPSS (exploitation in 30 days)
- 2.0% · top 19% of all CVEs (3 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
Affected products
n/a
- affected n/a
References (6)
- 80701 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 52758 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- ciscoios-nat-feature-dos(74432) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 48515 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 1026864 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 20120328 Cisco IOS Software Network Address Translation Vulnerability (opens in a new tab)vendor-advisoryx_refsource_CISCOx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .