Mozilla Firefox up to 99 on Android HSTS cryptographic issues

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability, which was classified as critical, has been found in Mozilla Firefox up to 99 on Android (Web Browser). Affected by this issue is some unknown processing of the component HSTS Handler. The manipulation with an unknown input leads to a cryptographic issues vulnerability. Using CWE to declare the problem leads to CWE-310. Impacted is confidentiality, integrity, and availability.

The weakness was released 05/03/2022 by Mark B as Bug 1757138 as confirmed advisory (Website). The advisory is shared for download at The advisory contains:

When closed or sent to the background, Firefox for Android would not properly record and persist HSTS settings.Note: This issue only affected Firefox for Android. Other operating systems are unaffected.
This vulnerability is handled as CVE-2022-29910. Successful exploitation requires user interaction by the victim. 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 09/30/2022). The MITRE ATT&CK project declares the attack technique as T1600.

Upgrading to version 100 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.






  • open-source

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍



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


Class: Cryptographic issues
CWE: CWE-310
ATT&CK: T1600

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒


Threat Intelligenceinfo

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


Recommended: Upgrade
Status: 🔍

Reaction Time: 🔒
0-Day Time: 🔒
Exposure Time: 🔒

Upgrade: Firefox 100


04/29/2022 CVE reserved
05/03/2022 +4 days Advisory disclosed
05/03/2022 +0 days Countermeasure disclosed
09/30/2022 +150 days VulDB entry created
10/26/2022 +26 days VulDB last update



Advisory: Bug 1757138
Researcher: Mark B
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2022-29910 (🔒)
scip Labs:


Created: 09/30/2022 09:50 AM
Updated: 10/26/2022 01:18 PM
Changes: 09/30/2022 09:50 AM (17), 09/30/2022 09:53 AM (30), 10/26/2022 01:18 PM (1)
Complete: 🔍


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