Sophos Firewall up to 21.0 Up2Date reliance on untrusted inputs in a security decision

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Sophos Firewall up to 21.0. This vulnerability affects unknown code of the component Up2Date. The manipulation leads to reliance on untrusted inputs in a security decision. This vulnerability is documented as CVE-2024-13974. The attack can be initiated remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Sophos Firewall up to 21.0 and classified as critical. This issue affects an unknown code of the component Up2Date. The manipulation with an unknown input leads to a reliance on untrusted inputs in a security decision vulnerability. Using CWE to declare the problem leads to CWE-807. The product uses a protection mechanism that relies on the existence or values of an input, but the input can be modified by an untrusted actor in a way that bypasses the protection mechanism. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

It is possible to read the advisory at sophos.com. The identification of this vulnerability is CVE-2024-13974 since 07/14/2025. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 21.0 MR1 eliminates this vulnerability.

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Productinfo

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Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.1
VulDB Meta Temp Score: 7.9

VulDB Base Score: 8.1
VulDB Temp Score: 7.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.1
CNA Vector (Sophos): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Reliance on untrusted inputs in a security decision
CWE: CWE-807 / CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Firewall 21.0 MR1

Timelineinfo

07/14/2025 CVE reserved
07/21/2025 +7 days Advisory disclosed
07/21/2025 +0 days VulDB entry created
11/18/2025 +120 days VulDB entry last update

Sourcesinfo

Vendor: sophos.com

Advisory: sophos.com
Status: Confirmed

CVE: CVE-2024-13974 (🔒)
GCVE (CVE): GCVE-0-2024-13974
GCVE (VulDB): GCVE-100-317111

Entryinfo

Created: 07/21/2025 17:42
Updated: 11/18/2025 01:44
Changes: 07/21/2025 17:42 (64), 11/18/2025 01:44 (1)
Complete: 🔍
Cache ID: 216::103

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