What is CVE-2021-28561?

CVE-2021-28561 is a high-severity vulnerability in Adobe Acrobat Reader, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2021-09-02.

How severe is CVE-2021-28561?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2021-28561 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Adobe Acrobat Reader

CVE-2021-28561

Acrobat Reader DC versions versions 2021.001.20150 (and earlier), 2020.001.30020 (and earlier) and 2017.011.30194 (and earlier) are affected by a memory corruption vulnerability. An unauthenticated attacker could leverage this vulnerabilit…

Vulnerability class: Buffer Overflow

EPSS: 0.182 (95.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Adobe Acrobat Reader — versions unspecified

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

n0-traces/cve_

References

helpx.adobe.com/security/products/acrobat/apsb21-29.html (x_refsource_MISC)

Frequently asked questions

What is CVE-2021-28561?: CVE-2021-28561 is a high-severity vulnerability in Adobe Acrobat Reader, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2021-09-02.
How severe is CVE-2021-28561?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2021-28561 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.