CVE-2016-4171
Exploitation confirmed. First attested on 2022-03-25 by CISA-ADP, CISA KEV, GCVE · kevintel.
- Published2016-06-16
Am I affected?
Debian, Ubuntu or Red Hat sometimes backport a fix without changing the upstream version number: such a version reads « to verify », never « affected ».With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.
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.
Timeline
dates in UTCObserved activity
isMalicious corpus · updated 2026-10-23 18:48 UTCBlock these indicators
- Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2016-4171?format=txt
- CSV export: https://api.ismalicious.com/edl/cve/CVE-2016-4171?format=csv
- TAXII collection of exploited CVEs
- The EDL and CSV take an API key on the Pro plan.
Versions per branch
NVD| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 11.2 | ≤ 11.2.202.621 | no fix published | NVD |
| 21.0 | ≤ 21.0.0.242 | no fix published | NVD |
| 18.0 | ≤ 18.0.0.352 | no fix published | NVD |
| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 13.1 | = 13.1 | no fix published | NVD |
| 13.2 | = 13.2 | no fix published | NVD |
| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 5.0 | = 5.0 | no fix published | NVD |
| 6.0 | = 6.0 | no fix published | NVD |
4 more products in the sources.
as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.
Fix
- CISA’s required action: The impacted product is end-of-life and should be disconnected if still in use.due 2022-04-15
Advisories and patches
- helpx.adobe.comVendor Advisory
- helpx.adobe.comVendor Advisory
Detection
- Nuclei template
- none so far ProjectDiscovery
- Exploit-DB
- no entry Exploit-DB
- Proof-of-concept repositories
- none listed PoC-in-GitHub
CISA Known Exploited Vulnerability
- Date Added
- 2022-03-25
- Patch Due Date
- 2022-04-15
- Ransomware Use
- Unknown
- Required Action
- The impacted product is end-of-life and should be disconnected if still in use.
Sources
Technical details
- CVSS v3 Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Published
- 2016-06-16
- Last Modified
- 2026-06-17
- NVD status
- Analyzed
Frequently asked questions
What is CVE-2016-4171?
Is CVE-2016-4171 actively exploited?
What is the CVSS score for CVE-2016-4171?
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Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».
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Related vulnerabilities
Same product first, then the same vendor advisory and the same publication week.