CVE-2023-5552

highpriority · track · 30EPSS 0.006 · 46 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.55% (46th) EPSS

CVSS 7.5 · high

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · cert_bund

EPSS · scored 2026-10-27

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”.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:Nsecondary · ENISA EU

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:Nsecondary · security-alert@sophos.comexploitability 2.5 · impact 4

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-522USprimaryCWE-200US

affected products (3)

Products and version ranges known to be affected.

Sophos Sophos Firewall< 19.5.4enisa_euvdEU
Sophos Sophos Firewall< 20.0.0enisa_euvdEU
sophos firewall≤ 19.5.3nvdUScpe:2.3:a:sophos:firewall:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-2703Sophos Firewall: Schwachstelle ermöglicht Offenlegung von InformationenDeutsch2023-10-17csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Sophos Firewall ausnutzen, um Informationen offenzulegen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd cert_bund NVD CVE.org MITRE

published 2023-10-18modified 2026-06-17

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+1717 more

references (5)

External citations — patches, advisories, analysis.

scry

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