CVE-2021-21042

MEDIUM

Adobe Acrobat < 17.011.30188 - Out-of-Bounds Read

Title source: rule
STIX 2.1

Description

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.

Exploits (2)

nomisec WORKING POC 3 stars
by r1l4-i3pur1l4 · poc
https://github.com/r1l4-i3pur1l4/CVE-2021-21042
nomisec STUB 3 stars
by NattiSamson · poc
https://github.com/NattiSamson/CVE-2021-21042

References (1)

Core 1
Core References

Scores

CVSS v3 6.5
EPSS 0.4497
EPSS Percentile 97.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Details

CWE
CWE-125
Status published
Products (4)
adobe/acrobat 17.0 - 17.011.30188
adobe/acrobat_dc < 20.013.20074
adobe/acrobat_reader 17.0 - 17.011.30188
adobe/acrobat_reader_dc < 20.013.20074
Published Feb 11, 2021
Tracked Since Feb 18, 2026