wolfSSL up to 5.8.3 information exposure

CVSS Meta Temp Score
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CTI Interest Score
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1.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in wolfSSL up to 5.8.3. Affected by this vulnerability is an unknown functionality. Performing a manipulation results in information exposure. This vulnerability was named CVE-2025-13912. The attack needs to be approached locally. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in wolfSSL up to 5.8.3. This affects an unknown functionality. The manipulation with an unknown input leads to a information exposure vulnerability. CWE is classifying the issue as CWE-203. The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not. This is going to have an impact on confidentiality. The summary by CVE is:

Multiple constant-time implementations in wolfSSL before version 5.8.4 may be transformed into non-constant-time binary by LLVM optimizations, which can potentially result in observable timing discrepancies and lead to information disclosure through timing side-channel attacks.

The weakness was presented by Jing Liu, Zhiyuan Zhang, LucÍa MartÍnez Gavier, Gilles Barthe and Marcel Böhme. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2025-13912 since 12/02/2025. The exploitability is told to be difficult. An attack has to be approached locally. Additional levels of successful authentication are necessary for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 278398 (Linux Distros Unpatched Vulnerability : CVE-2025-13912), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 5.8.4 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Tenable (278398). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 1.9
VulDB Meta Temp Score: 1.9

VulDB Base Score: 1.9
VulDB Temp Score: 1.9
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: Information exposure
CWE: CWE-203 / CWE-200 / CWE-284
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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Nessus ID: 278398
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2025-13912

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: wolfSSL 5.8.4
Patch: github.com

Timelineinfo

12/02/2025 CVE reserved
12/11/2025 +9 days VulDB entry created
12/12/2025 +0 days Advisory disclosed
12/14/2025 +2 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Researcher: Jing Liu, Zhiyuan Zhang, LucÍa MartÍnez Gavier, Gilles Barthe, Marcel Böhme
Status: Confirmed

CVE: CVE-2025-13912 (🔒)
GCVE (CVE): GCVE-0-2025-13912
GCVE (VulDB): GCVE-100-335973

Entryinfo

Created: 12/12/2025 00:05
Updated: 12/14/2025 14:34
Changes: 12/12/2025 00:05 (67), 12/14/2025 14:34 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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