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CVE-2021-28641

25
FAUCET Score

CVE-2021-28641 is a Use-after-free vulnerability affecting Adobe Acrobat Reader DC versions 2021.005.20054 and earlier, 2020.004.30005 and earlier, and 2017.011.30197 and earlier. This high-severity vulnerability (CVSS 7.8) allows an unauthenticated attacker to achieve arbitrary code execution with user interaction, specifically by tricking a victim into opening a malicious file. While the EPSS score is high, indicating significant potential for exploitation, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or widespread community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2017.011.30197CPE match
cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:*:*:*:*
<= 2020.004.30005CPE match
cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:*:*:*:*
<= 2021.005.20054CPE match
cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:*:*:*:*
>= 15.008.20082, <= 21.005.20054CPE matchmatch criteria
cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*
>= 17.011.30059, <= 17.011.30197CPE matchmatch criteria
cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:classic:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
4.33%
Probability of exploitation in next 30 days
EPSS Percentile
90.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0433 is in the 91st percentile among its peer group of 11,621 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

adobevendor investigatingvia nvd_reference
View patch

References

helpx.adobe.com / security/products/acrobat/apsb21-51.html
Release NotesVendor Advisory