CVE-2023-5552: sophos firewall
CVSS: 7.5v3.1HighModified
Published 17-10-2023Last modified 13-09-2024
Vulnerability summary
CVE-2023-5552 is a high (CVSS 7.5) vulnerability in sophos firewall. EPSS estimates a 0.55% chance of exploitation in the next 30 days, higher than 45% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
0.55%
0%100%
Low · +0.05 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 17-10-2023PublishedVulnerability first disclosed.
- 13-09-2024Last modifiedVulnerability information updated.
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”.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NSources2 sources · 7.1–7.5
- CVE.orgCNA7.1HighCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:NDiffers
EPSS trend
Probability
0.55%
Chance of exploitation in the next 30 days
Percentile
45%
Versus all other CVEs
30-day change
+0.05 pp
From 0.50% on 19-09-2026
19-09-202619-10-2026
EPSS score0.55%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-200Exposure of Sensitive Information to an Unauthorized ActorThe product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
- CWE-522Insufficiently Protected CredentialsThe product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval.
Affected systems
Sophos1 product
- firewall≤ 19.5.3
1 vendor · 1 product