Mozilla Firefox up to 142 authentication spoofing

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Mozilla Firefox up to 142. This affects an unknown function. Such manipulation leads to an unknown weakness. This vulnerability is traded as CVE-2025-10530. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Mozilla Firefox up to 142 and classified as problematic. Using CWE to declare the problem leads to CWE-290. This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks. The impact remains unknown. CVE summarizes:

Spoofing issue in the WebAuthn component in Firefox for Android. This vulnerability affects Firefox < 143 and Thunderbird < 143.

The advisory is shared for download at bugzilla.mozilla.org. This vulnerability is handled as CVE-2025-10530 since 09/16/2025. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/31/2025).

The vulnerability scanner Nessus provides a plugin with the ID 265634 (Linux Distros Unpatched Vulnerability : CVE-2025-10530), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 143 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (265634) and CERT Bund (WID-SEC-2025-2074). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • SUSE Linux
  • Oracle Linux
  • SUSE openSUSE
  • Mozilla Firefox
  • Mozilla Firefox ESR
  • Mozilla Thunderbird

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Authentication spoofing
CWE: CWE-290 / CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-DayUnlockUnlockUnlockUnlock
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Nessus ID: 265634
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2025-10530

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Firefox 143

Timelineinfo

09/16/2025 Advisory disclosed
09/16/2025 +0 days CVE reserved
09/16/2025 +0 days VulDB entry created
10/31/2025 +45 days VulDB entry last update

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: bugzilla.mozilla.org
Status: Confirmed

CVE: CVE-2025-10530 (🔒)
GCVE (CVE): GCVE-0-2025-10530
GCVE (VulDB): GCVE-100-324464
CERT Bund: WID-SEC-2025-2074 - Mozilla Firefox, Firefox ESR und Thunderbird: Mehrere Schwachstellen

Entryinfo

Created: 09/16/2025 16:13
Updated: 10/31/2025 04:21
Changes: 09/16/2025 16:13 (52), 09/17/2025 22:42 (2), 09/18/2025 15:55 (7), 09/19/2025 13:17 (1), 09/21/2025 17:22 (2), 10/06/2025 12:21 (1), 10/31/2025 04:21 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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