Known exploited vulnerability
CVE-2016-7855
The short answer
CVE-2016-7855 affects n/a n/a and is rated high (CVSS 8.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-03-03: attackers are using it, so patch it first. The vendor has linked a patch.
What it is
Use-after-free vulnerability in Adobe Flash Player before 23.0.0.205 on Windows and OS X and before 11.2.202.643 on Linux allows remote attackers to execute arbitrary code via unspecified vectors, as exploited in the wild in October 2016.
Weakness: CWE-416.
Severity
8.8 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploited (CISA KEV)
Yes, since Mar 3, 2022
Federal due date Mar 24, 2022
EPSS, next 30 days
25%
Higher than 98% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- Required
- 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
- docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-128 PatchVendor Advisory
- helpx.adobe.com/security/products/flash-player/apsb16-36.html PatchVendor Advisory
- security.gentoo.org/glsa/201610-10 Third Party Advisory
- security.googleblog.com/2016/10/disclosing-vulnerabilities-to-protect.html Third Party Advisory
- docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-128 PatchVendor Advisory
- helpx.adobe.com/security/products/flash-player/apsb16-36.html PatchVendor Advisory
- security.gentoo.org/glsa/201610-10 Third Party Advisory
- security.googleblog.com/2016/10/disclosing-vulnerabilities-to-protect.html Third Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-7855 US Government Resource
Questions
Is CVE-2016-7855 being exploited?
Yes. CISA added CVE-2016-7855 to its Known Exploited Vulnerabilities catalog on 2022-03-03, with a federal remediation due date of 2022-03-24.
How do I fix CVE-2016-7855?
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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