CVE-2021-21042

high-risk
Published 2021-02-11

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.

Do I need to act?

!
45.0% chance of exploitation in next 30 days
EPSS score — higher than 55% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.5/10 Medium
NETWORK / LOW complexity

Affected Products (4)

Affected Vendors

Adobe

References (2)

Vendor Advisory https://helpx.adobe.com/security/products/acrobat/apsb21-09.html
Vendor Advisory https://helpx.adobe.com/security/products/acrobat/apsb21-09.html
51
/ 100
high-risk
Severity 24/34 · High
Exploitability 17/34 · Moderate
Exposure 10/34 · Low