CVE-2023-5552
CVE-2023-5552 is a high-severity vulnerability in Sophos Firewall with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-522.
Key facts
- Severity: High (CVSS 3.x base score 7.1)
- EPSS exploit prediction: 0% (39th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-522
- Affected product: Sophos Firewall
- Published:
- Last modified:
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”.
Frequently asked questions
- What is CVE-2023-5552?
- 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”.
- How severe is CVE-2023-5552?
- CVE-2023-5552 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2023-5552 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-5552?
- CVE-2023-5552 affects Sophos Firewall. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-5552?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2023-5552 published?
- CVE-2023-5552 was published on 2023-10-18 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:sophos:firewall:*:*:*:*:*:*:*:*
More vulnerabilities in Sophos Firewall
- CVE-2022-3236 — Critical (CVSS 9.8): A code injection vulnerability in the User Portal and Webadmin allows a remote attacker to execute code in Sophos…
- CVE-2022-1807 — High (CVSS 7.2): Multiple SQLi vulnerabilities in Webadmin allow for privilege escalation from admin to super-admin in Sophos Firewall…
All CVEs affecting Sophos Firewall →
Other CWE-522 (Insufficiently Protected Credentials) vulnerabilities
- CVE-2026-7312 — Critical (CVSS 10.0): CWE‑522: Insufficiently Protected Credentials in web services in Progress Sitefinity version from 14.0.7700 to…
- CVE-2026-29128 — Critical (CVSS 10.0): IDC SFX2100 Satellite Receiver firmware ships with multiple daemon configuration files for routing components (e.g.,…
- CVE-2025-54863 — Critical (CVSS 10.0): Radiometrics VizAir is vulnerable to exposure of the system's REST API key through a publicly accessible configuration…
- CVE-2024-12799 — Critical (CVSS 10.0): Insufficiently Protected Credentials vulnerability in OpenText Identity Manager Advanced Edition on Windows, Linux, 64…
- CVE-2024-51545 — Critical (CVSS 10.0): Username Enumeration vulnerabilities allow access to application level username add, delete, modify and list…
- CVE-2023-1778 — Critical (CVSS 10.0): This vulnerability exists in GajShield Data Security Firewall firmware versions prior to v4.28 (except v4.21) due to…
Browse all CWE-522 (Insufficiently Protected Credentials) vulnerabilities →