CVE-2021-21042

Acrobat Reader DC versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by an Out-of-bounds Read vulnerability that could lead to arbitrary disclosure of information in the memory stack. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

CVSS v3.1

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

CVSS v3.0

6.5 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CVSS v2.0

4.3 MEDIUMAV:N/AC:M/Au:N/C:P/I:N/A:N

EPSS

14.70% chance of exploitation in the next 30 days, 96th percentile

Published

2021-02-11

Updated

2024-09-16

Proof-of-concept exploits (2)

• NattiSamson/CVE-2021-210423★ · 2021-03-04
• r1l4-i3pur1l4/CVE-2021-210423★ · 2021-11-27

References

• CVE Record
• NVD entry

Related

• CVE-2021-35211
• CVE-2021-1732
• CVE-2022-21882
• CVE-2021-21017
• CVE-2021-21086
• CVE-2021-21014