Unspecified vulnerability in the client in Skype 5.x before 5.1.0.922 on Mac OS X allows remote authenticated users to execute arbitrary code or cause a denial of service (application crash) via a crafted message.
CVE-2011-2074
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
- 85.1%
- KEV
- Not listed
Published
May 10, 2011
Last Modified
April 29, 2026
References (14)
- cve@mitrehttp://blogs.skype.com/security/2011/05/security_vulnerability_in_mac.html
- cve@mitrehttp://isc.sans.edu/diary.html?storyid=10837
- cve@mitrehttp://secunia.com/advisories/44522
- cve@mitrehttp://www.purehacking.com/blogs/gordon-maddern/skype-0day-vulnerabilitiy-discovered-by-pure-hacking
- cve@mitrehttp://www.securityfocus.com/bid/47747
- cve@mitrehttp://www.theregister.co.uk/2011/05/06/skype_for_mac_critical_vulnerability/
- cve@mitrehttp://www.vupen.com/english/advisories/2011/1192
- af854a3a-2127-422b-91ae-364da2661108http://blogs.skype.com/security/2011/05/security_vulnerability_in_mac.html
- af854a3a-2127-422b-91ae-364da2661108http://isc.sans.edu/diary.html?storyid=10837
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/44522
- af854a3a-2127-422b-91ae-364da2661108http://www.purehacking.com/blogs/gordon-maddern/skype-0day-vulnerabilitiy-discovered-by-pure-hacking
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/47747
- af854a3a-2127-422b-91ae-364da2661108http://www.theregister.co.uk/2011/05/06/skype_for_mac_critical_vulnerability/
- af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2011/1192
Data Freshness Timeline
(refreshed 10× in last 7d / 40× 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.
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Frequently asked(4)
What is CVE-2011-2074?
CVE-2011-2074 is a none vulnerability published on May 10, 2011. Unspecified vulnerability in the client in Skype 5.x before 5.1.0.922 on Mac OS X allows remote authenticated users to execute arbitrary code or cause a denial of service (application crash) via a crafted message.
When was CVE-2011-2074 disclosed?
CVE-2011-2074 was first published in the National Vulnerability Database on May 10, 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-2011-2074 actively exploited?
CVE-2011-2074 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 85.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2011-2074?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2011-2074, 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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