What it is
CVE-2015-0311 is an unauthenticated vulnerability affecting Adobe Flash Player. Unspecified vulnerability in Adobe Flash Player through 13.0.0.262 and 14.x, 15.x, and 16.x through 16.0.0.287 on Windows and OS X and...
Vulnerability report
Exploited in the wild
Confirmed confidence
In CISA KEV
CVE-2015-0311
Flash Player
Adobe / Flash Player
- Severity
- CVSS 9.8 · Critical
- Confidence
- Confirmed
- Exploit status
- Exploited in the wild
- EPSS
- 85.8%
- First observed
- —
- Last observed
- —
Decision summary
What security teams need to know first
Direct answers before the deeper technical record.
Is it exploited?
Yes. KEV Intelligence tracks this CVE as a known exploited vulnerability. Confidence is confirmed.
Who is affected?
Adobe / Flash Player.
What should we do?
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
Overview
Flash Player
Unspecified vulnerability in Adobe Flash Player through 13.0.0.262 and 14.x, 15.x, and 16.x through 16.0.0.287 on Windows and OS X and through 11.2.202.438 on Linux allows remote attackers to execute arbitrary code via unknown vectors, as exploited in the wild in January 2015.
- Published
- 23 Jan 2015
- Exploitation Reported
- 13 Apr 2022
- Attack vector
- Remote
- Complexity
- Low
- Privileges
- None
- User interaction
- None
Tags
linux
metasploit
cisa
windows
CVE References
- CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2015-0311
- GLSA-201502-02 security.gentoo.org · Vendor Advisory http://security.gentoo.org/glsa/glsa-201502-02.xml
- SUSE-SU-2015:0163 lists.opensuse.org · Vendor Advisory http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00031...
- SUSE-SU-2015:0151 lists.opensuse.org · Vendor Advisory http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00027...
- 62660 secunia.com · Third-Party Advisory http://secunia.com/advisories/62660
- 62740 secunia.com · Third-Party Advisory http://secunia.com/advisories/62740
- 62432 secunia.com · Third-Party Advisory http://secunia.com/advisories/62432
- 62650 secunia.com · Third-Party Advisory http://secunia.com/advisories/62650
- 62543 secunia.com · Third-Party Advisory http://secunia.com/advisories/62543
- 72283 securityfocus.com · VDB Entry http://www.securityfocus.com/bid/72283
- 1031597 securitytracker.com · VDB Entry http://www.securitytracker.com/id/1031597
- technet.microsoft.com/library/security/2755801 technet.microsoft.com · CVE Record https://technet.microsoft.com/library/security/2755801
- helpx.adobe.com/security/products/flash-player/apsb15-03.html helpx.adobe.com · CVE Record http://helpx.adobe.com/security/products/flash-player/apsb15-03.html
- helpx.adobe.com/security/products/flash-player/apsa15-01.html helpx.adobe.com · CVE Record http://helpx.adobe.com/security/products/flash-player/apsa15-01.html
- malware.dontneedcoffee.com/2015/01/unpatched-vulnerability-0day-in-flas... malware.dontneedcoffee.com · CVE Record http://malware.dontneedcoffee.com/2015/01/unpatched-vulnerability-0da...
Exploitation evidence
Why KEV Intelligence marks this CVE as exploited
Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.
Exploited in the wild
CISA
Independent exploitation attestation added to the KEV Intelligence record.
Proof of concept available
GitHub
Public scanner or PoC coverage increases practical exploitability.
Known exploited vulnerability sources
Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| CISA First | 2022-04-13 00:00 UTC |
Detection
Operational artifacts and observed signals
Make the evidence actionable in scanner, SOC, and edge-control workflows.
Observed signals
- Request targets
- 0
- User-Agents
- 0
Raw values available in Pro and Enterprise.
Scanner coverage
Metasploit template detected 28 Apr 2025.
View Metasploit template (opens in new tab)Virtual patch status
No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.
Learn about virtual patches →Scanner Artifacts
Scanner and exploit-framework references linked to this CVE.
| Scanner | Reference | Detected |
|---|---|---|
| Metasploit | https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/browser/adobe_flash_uncompress_zlib_uaf.rb | 28 Apr 2025 |
Risk and context
Severity, weaknesses, and research context
CVSS v3.1
9.8
Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
85.8%
All CVSS Scores
CVSS v3.1
9.8
Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
10.0
High
AV:N/AC:L/Au:N/C:C/I:C/A:C
Potential Proof of Concepts
These PoCs are unverified and could contain malware. Use at your own risk.
Timeline
From disclosure to observed exploitation
-
Metasploit module available
Exploit module available
-
Public PoC available
Public proof-of-concept code published
-
Added to CISA KEV
Listed in the CISA Known Exploited Vulnerabilities catalog
-
CVE published
Vulnerability disclosed publicly
-
CVE ID reserved
Identifier reserved by the CNA
Pro API
Automate this intelligence
Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
- Evidence confidence and provenance
- First-party sensor telemetry
- PoC and scanner references
- Affected versions and enrichment
- Automation-ready JSON delivery
GET /api/v2/pro/kevs/CVE-2015-0311
Free JSON includes basic KEV fields{
"cve_id": "CVE-2015-0311",
"confidence": "Confirmed",
"cvss_score": 9.8,
"cvss_estimated": false,
"epss_score": 0.8582,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "attempts": 0, "sensors": 0 }
}Early warning alerts
Get alerts on high-impact exploitation
Receive curator-selected alerts when exploitation activity warrants attention. Each alert includes the evidence and context needed to decide what requires attention now.