CVE-2016-4171
Unspecified vulnerability in Adobe Flash Player 21.0.0.242 and earlier allows remote attackers to execute arbitrary code via unknown…
- Published
- Updated
- Reserved
- Assigned by
- adobe
Description
Unspecified vulnerability in Adobe Flash Player 21.0.0.242 and earlier allows remote attackers to execute arbitrary code via unknown vectors, as exploited in the wild in June 2016.
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Adobe Flash Player Remote Code Execution Vulnerability.
- Added
- 25 Mar 2022
- Fix due (US federal)
- 15 Apr 2022
- Used by ransomware
- Not known
The impacted product is end-of-life and should be disconnected if still in use.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. CISA's SSVC rates its exploitation: it is being exploited.
Timeline
ID reserved
By adobe
- 50 days later
· 50 days later
Published
- 6 years later
· 6 years later
Added to CISA KEV
Known exploited in the wild
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 20.1% · top 2.5% of all CVEs (8 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
- n/a
- CWE-noinfo Not enough information
Affected products
n/a
- affected n/a
References (12)
- GLSA-201606-08 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- https://helpx.adobe.com/security/products/flash-player/apsa16-03.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- openSUSE-SU-2016:1625 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- VU#748992 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- RHSA-2016:1238 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- openSUSE-SU-2016:1621 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 1036094 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- SUSE-SU-2016:1613 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 91184 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://helpx.adobe.com/security/products/flash-player/apsb16-18.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-4171 (opens in a new tab)government-resource
- https://github.com/cisagov/vulnrichment/issues/196 (opens in a new tab)issue-tracking
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2016-4171)Record last updated .