High7.1Sophos

Sophos Firewall: password disclosure vulnerability in the Secure PDF eXchange (SPX) feature allows attackers with full email access…

CVE-2023-5552 Published Oct 18, 2023Updated by vendor Jun 17, 2026

CVE-2023-5552

Affected products & platforms

SophosSophos Firewall (XGS/SFOS)

Summary

A password disclosure vulnerability in the Secure PDF eXchange (SPX) feature allows attackers with full email access to decrypt PDFs in Sophos Firewall version 19.5 MR3 (19.5.3) and older, if the password type is set to “Specified by sender”.

Mitigation

Mitigation steps weren't captured by the parser for this advisory — this is a parsing gap, not a statement that no fix exists. Read the vendor advisory below for the authoritative guidance.

Official advisory · medium-confidence parse· fetched 2 hours ago·verify at source

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