CVE-2021-39843 is an out-of-bounds write vulnerability in Adobe Acrobat Reader DC (versions 2021.005.20060 and earlier, 2020.004.30006 and earlier, and 2017.011.30199 and earlier) that could lead to arbitrary code execution. This high-severity vulnerability (CVSS 7.8) requires user interaction, specifically opening a malicious file, to be exploited. While it affects products across Adobe, Apple, and Microsoft, there is currently no evidence of active exploitation, public exploit code, or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 20.001.30005, <= 20.004.30006CPE matchmatch criteria | cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:* | ||
>= 20.001.30005, <= 20.004.30006CPE matchmatch criteria | cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:* | ||
>= 15.008.20082, <= 21.005.20058CPE matchmatch criteria | cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:* | ||
>= 15.008.20082, <= 21.005.20058CPE matchmatch criteria | cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:* | ||
>= 15.008.20082, <= 21.005.20060CPE matchmatch criteria | cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.