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CVE-2011-3275

Memory leak in Cisco IOS 12.4, 15.0, and 15.1, and IOS XE 2.5.x through 3.2.x, allows remote...

7.8 High

Memory leak in Cisco IOS 12.4, 15.0, and 15.1, and IOS XE 2.5.x through 3.2.x, allows remote attackers to cause a denial of service (memory consumption) via a crafted SIP message, aka Bug ID CSCti48504.

Exploit likelihood

1.77%Up 0.7 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.8

Memory leak in Cisco IOS 12.4, 15.0, and 15.1, and IOS XE 2.5.x through 3.2.x, allows remote attackers to cause a denial of service (memory consumption) via a crafted SIP message, aka Bug ID CSCti48504.

Record
CVE-2011-3275
CVSS 2.0
7.8 HighAV: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 12.4, 15.0, and 15.1, and IOS XE 2.5.x through 3.2.x, allows remote attackers to cause a denial of service (memory consumption) via a crafted SIP message, aka Bug ID CSCti48504.

Record
CVE-2011-3275
Updated
2026-11-02
EUVDEUVD-2011-3239 No score

Memory leak in Cisco IOS 12.4, 15.0, and 15.1, and IOS XE 2.5.x through 3.2.x, allows remote attackers to cause a denial of service (memory consumption) via a crafted SIP message, aka Bug ID CSCti48504.

Record
EUVD-2011-3239
Updated
2026-11-03
GitHub AdvisoriesGHSA-47cw-xf65-434r No score

Memory leak in Cisco IOS 12.4, 15.0, and 15.1, and IOS XE 2.5.x through 3.2.x, allows remote...

Memory leak in Cisco IOS 12.4, 15.0, and 15.1, and IOS XE 2.5.x through 3.2.x, allows remote attackers to cause a denial of service (memory consumption) via a crafted SIP message, aka Bug ID CSCti48504.

Record
GHSA-47cw-xf65-434r
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2011-3275 is a high vulnerability (CVSS 7.8) in Cisco Ios, published October 3, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.77%, the 78th percentile. No source names a fixed version.

References

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