CVE-2011-2578
Memory leak in Cisco IOS 15.1 and 15.2 allows remote attackers to cause a denial of service ...
Memory leak in Cisco IOS 15.1 and 15.2 allows remote attackers to cause a denial of service (memory consumption) via malformed SIP packets on a NAT interface, aka Bug ID CSCts12366.
Exploit likelihood
What each source reports
NVD Score used
Memory leak in Cisco IOS 15.1 and 15.2 allows remote attackers to cause a denial of service (memory consumption) via malformed SIP packets on a NAT interface, aka Bug ID CSCts12366.
- Record
CVE-2011-2578- 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 Cisco IOS 15.1 and 15.2 allows remote attackers to cause a denial of service (memory consumption) via malformed SIP packets on a NAT interface, aka Bug ID CSCts12366.
- Record
CVE-2011-2578- Updated
- 2026-11-02
EUVDEUVD-2011-2561 No score
Memory leak in Cisco IOS 15.1 and 15.2 allows remote attackers to cause a denial of service (memory consumption) via malformed SIP packets on a NAT interface, aka Bug ID CSCts12366.
- Record
EUVD-2011-2561- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-38xx-mw72-x795 No score
Memory leak in Cisco IOS 15.1 and 15.2 allows remote attackers to cause a denial of service ...
Memory leak in Cisco IOS 15.1 and 15.2 allows remote attackers to cause a denial of service (memory consumption) via malformed SIP packets on a NAT interface, aka Bug ID CSCts12366.
- Record
GHSA-38xx-mw72-x795- 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-2011-2578 is a high vulnerability (CVSS 7.8) in Cisco Ios, published May 2, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.69%, the 85th percentile. No source names a fixed version.