CRITICAL
CVE-2011-2458
CWE-264Published: November 11, 2011· Updated: Jun 16, 2026
9.3
CVSS v3.1
Official Description
Adobe Flash Player before 10.3.183.11 and 11.x before 11.1.102.55 on Windows, Mac OS X, Linux, and Solaris and before 11.1.102.59 on Android, and Adobe AIR before 3.1.0.4880, when Internet Explorer is used, allows remote attackers to bypass the cross-domain policy via a crafted web site.
Technical Analysis
CVE-2011-2458 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityM
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityC
IntegrityC
AvailabilityC
AV:N/AC:M/Au:N/C:C/I:C/A:C
Affected Vendors & Products
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
ADVISORYhttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14014
ADVISORYhttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16179
All References (16)
→
http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00014.htmlMailing List · Third Party Advisory
→
http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00017.htmlMailing List · Third Party Advisory
→
http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00019.htmlMailing List · Third Party Advisory
→
http://secunia.com/advisories/48819Third Party Advisory
→
http://security.gentoo.org/glsa/glsa-201204-07.xmlThird Party Advisory
→
http://www.adobe.com/support/security/bulletins/apsb11-28.htmlPatch · Vendor Advisory
→
→
→
http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00014.htmlMailing List · Third Party Advisory
→
http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00017.htmlMailing List · Third Party Advisory
→
http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00019.htmlMailing List · Third Party Advisory
→
http://secunia.com/advisories/48819Third Party Advisory
→
http://security.gentoo.org/glsa/glsa-201204-07.xmlThird Party Advisory
→
http://www.adobe.com/support/security/bulletins/apsb11-28.htmlPatch · Vendor Advisory
Quick Facts
CVE IDCVE-2011-2458
CVSS Score9.3 / 10
SeverityCRITICAL
WeaknessCWE-264
CISA KEVNo
Affected6 vendor(s)
PublishedNov 11, 2011
Related CVEs (CWE-264)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2011-2458 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.