Known exploited vulnerability
CVE-2016-4171
The short answer
CVE-2016-4171 affects n/a n/a and is rated critical (CVSS 9.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-03-25: attackers are using it, so patch it first.
What it is
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.
Severity
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploited (CISA KEV)
Yes, since Mar 25, 2022
Federal due date Apr 15, 2022
EPSS, next 30 days
20%
Higher than 97% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
What CISA says to do
The impacted product is end-of-life and should be disconnected if still in use.
Affected products
n/a. NVD's record lists the exact affected versions.
References
- access.redhat.com/errata/RHSA-2016:1238 Third Party Advisory
- helpx.adobe.com/security/products/flash-player/apsa16-03.html Vendor Advisory
- helpx.adobe.com/security/products/flash-player/apsb16-18.html Vendor Advisory
- security.gentoo.org/glsa/201606-08 Third Party Advisory
- www.kb.cert.org/vuls/id/748992 Third Party AdvisoryUS Government Resource
- access.redhat.com/errata/RHSA-2016:1238 Third Party Advisory
- helpx.adobe.com/security/products/flash-player/apsa16-03.html Vendor Advisory
- helpx.adobe.com/security/products/flash-player/apsb16-18.html Vendor Advisory
- security.gentoo.org/glsa/201606-08 Third Party Advisory
- www.kb.cert.org/vuls/id/748992 Third Party AdvisoryUS Government Resource
- github.com/cisagov/vulnrichment/issues/196 Issue Tracking
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-4171 US Government Resource
Questions
Is CVE-2016-4171 being exploited?
Yes. CISA added CVE-2016-4171 to its Known Exploited Vulnerabilities catalog on 2022-03-25, with a federal remediation due date of 2022-04-15.
How do I fix CVE-2016-4171?
CISA's required action: The impacted product is end-of-life and should be disconnected if still in use.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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