Description
Hyland Perceptive Filters releases before 2023-12-08 (e.g., 11.4.0.2647), as used in Cisco IronPort Email Security Appliance Software, Cisco Secure Email Gateway, and various non-Cisco products, allow attackers to trigger a segmentation fault and execute arbitrary code via a crafted document.
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 1 repository
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ly1g3/cisco-CVE-2023-31488 ★ 1 · Jul 7, 2026
Cisco Email Security Appliance: Email to zero-click RCE as root - Remote Code Execution/Memory Corruption/ROP-chain
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.