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CVE-2012-0387
Memory leak in the HTTP Inspection Engine feature in the Zone-Based Firewall in Cisco IOS 12.4, 15.0, 15.1, and 15.2 allows remote…
High7.8EPSS 2.0%
- Published
- Updated
- Reserved
- Assigned by
- cisco
Description
Memory leak in the HTTP Inspection Engine feature in the Zone-Based Firewall in Cisco IOS 12.4, 15.0, 15.1, and 15.2 allows remote attackers to cause a denial of service (memory consumption or device reload) via crafted transit HTTP traffic, aka Bug ID CSCtq36153.
Timeline
ID reserved
By cisco
- 3 months later
· 3 months later
Published
- 12 years later
· 12 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
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 (8 Nov 2026)
Loading the EPSS history…
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)
- 52753 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 20120328 Cisco IOS Software Zone-Based Firewall Vulnerabilities (opens in a new tab)vendor-advisoryx_refsource_CISCOx_transferred
- ciscoios-inspectionengine-dos(74435) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 48608 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 1026861 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 80697 (opens in a new tab)vdb-entryx_refsource_OSVDBx_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)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2012-0387)Record last updated .