This version of Adobe Reader is famously associated with several critical vulnerabilities, most notably , which was reported to be exploited in the wild. Vulnerability Type: Heap-based Buffer Overflow. Impact: Arbitrary Code Execution (ACE).

In security research and CTF (Capture The Flag) contexts, a file named 2020.013.20074.rar likely contains a proof-of-concept (PoC) exploit or a sample of malware designed to target this specific vulnerable version.

This version was also susceptible to Use-After-Free (UAF) vulnerabilities (e.g., CVE-2021-21033). For instance, a concurrency issue in the search.query JavaScript API could lead to a UAF condition. 20.013.20074 Out of cycle update, Adobe