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CVE-2023-5552

HIGH
7.5
CVSS Score
Published: October 17, 2023 at 11:29 PM UTC
Updated: June 17, 2026 at 06:48 AM UTC
1 product affected across 1 vendorSophos Firewall

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Severity
HIGH7.5
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

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”.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Sophos Firewall· Sophos
95%
v ≤ 19.5.3
Vendor states this is fixed in 19.5.4 (unaffected)
Vendor states this is fixed in 20.0.0 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://www.sophos.com/en-us/security-advisories/sophos-sa-20231017-spx-password

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-200CWE-522

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