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CVE-2024-13974

HIGH
8.1
CVSS Score
Published: July 21, 2025 at 01:34 PM UTC
Updated: June 17, 2026 at 07:03 AM UTC
2 products affected across 1 vendorFirewall FirmwareSophos Firewall

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Severity
HIGH8.1
Exploit prediction
EPSS 9%
SSVC
No known exploit

Description

A business logic vulnerability in the Up2Date component of Sophos Firewall older than version 21.0 MR1 (20.0.1) can lead to attackers controlling the firewall’s DNS environment to achieve remote code execution.

Affected

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

Firewall Firmware· Sophos
95%
v < 21.0.1
sophos-firewall (same device)
Sophos Firewall· Sophos
60%
v < 21.0 MR1 (21.0.1)
Affected range stops below 21.0 MR1 (21.0.1), so it looks safe — our inference, not a vendor statement

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-20250721-sfos-rce

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

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

CVSS

8.1HIGHSophos
Attack Vector
NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-807

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