Mozilla VPN Client 2.14.1 on Linux vpndaemon improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.9$5k-$25k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Mozilla VPN Client 2.14.1 on Linux. This affects an unknown function of the component vpndaemon. This manipulation causes improper authentication. This vulnerability is registered as CVE-2023-4104. No exploit is available.

Detailsinfo

A vulnerability classified as critical was found in Mozilla VPN Client 2.14.1 on Linux (Web Browser). Affected by this vulnerability is some unknown functionality of the component vpndaemon. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An invalid Polkit Authentication check and missing authentication requirements for D-Bus methods allowed any local user to configure arbitrary VPN setups. *This bug only affects Mozilla VPN on Linux. Other operating systems are unaffected.* This vulnerability affects Mozilla VPN 2.16.1 < (Linux).

The weakness was published 08/03/2023. It is possible to read the advisory at seclists.org. This vulnerability is known as CVE-2023-4104 since 08/02/2023. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 07/03/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-53994). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/02/2023 🔍
08/03/2023 +1 days 🔍
08/03/2023 +0 days 🔍
07/03/2025 +699 days 🔍

Sourcesinfo

Vendor: mozilla.org

Advisory: seclists.org
Status: Confirmed

CVE: CVE-2023-4104 (🔍)
GCVE (CVE): GCVE-0-2023-4104
GCVE (VulDB): GCVE-100-236035
EUVD: 🔍

Entryinfo

Created: 08/03/2023 13:58
Updated: 07/03/2025 01:14
Changes: 08/03/2023 13:58 (39), 07/03/2025 00:13 (28), 07/03/2025 01:14 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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