The IP Service Level Agreement (IP SLA) functionality in Cisco IOS 15.1, and IOS XE 2.1.x through 3.3.x, allows remote attackers to cause a denial of service (memory corruption and device reload) via malformed IP SLA packets, aka Bug ID CSCtk67073.
CVE-2011-3272
NONECVSS 0.0
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 3%CVSS: —Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 83.2%
- KEV
- Not listed
Published
October 3, 2011
Last Modified
April 29, 2026
References (6)
- psirt@ciscohttp://tools.cisco.com/security/center/viewAlert.x?alertId=24122
- psirt@ciscohttp://www.cisco.com/en/US/products/products_security_advisory09186a0080b95d4c.shtml
- psirt@ciscohttp://www.securitytracker.com/id?1026120
- af854a3a-2127-422b-91ae-364da2661108http://tools.cisco.com/security/center/viewAlert.x?alertId=24122
- af854a3a-2127-422b-91ae-364da2661108http://www.cisco.com/en/US/products/products_security_advisory09186a0080b95d4c.shtml
- af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id?1026120
Data Freshness Timeline
(refreshed 10× in last 7d / 44× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-06 16:23 UTCEPSS rescore
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Frequently asked(4)
What is CVE-2011-3272?
CVE-2011-3272 is a none vulnerability published on October 3, 2011. The IP Service Level Agreement (IP SLA) functionality in Cisco IOS 15.1, and IOS XE 2.1.x through 3.3.x, allows remote attackers to cause a denial of service (memory corruption and device reload) via malformed IP SLA packets, aka Bug ID CSCtk67073.
When was CVE-2011-3272 disclosed?
CVE-2011-3272 was first published in the National Vulnerability Database on October 3, 2011, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2011-3272 actively exploited?
CVE-2011-3272 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 83.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2011-3272?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2011-3272, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
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