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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Adobe | Acrobat Reader | unspecified – ≤ 2020.013.20074, unspecified – ≤ 2020.001.30018, unspecified – ≤ 2017.011.30188, unspecified – ≤ None | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 2 repositories
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r1l4-i3pur1l4/CVE-2021-21042 ★ 3 · Nov 26, 2021
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NattiSamson/CVE-2021-21042 ★ 3 · Mar 4, 2021
Exploit code for CVE-2021-21042
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.