MOSN 0.23.0 JWT Authorization improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in MOSN 0.23.0. This affects an unknown part of the component JWT Authorization. Such manipulation leads to improper authentication. This vulnerability is uniquely identified as CVE-2021-32163. No exploit exists. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in MOSN 0.23.0 and classified as critical. Affected by this issue is an unknown functionality of the component JWT Authorization. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Authentication vulnerability in MOSN v.0.23.0 allows attacker to escalate privileges via case-sensitive JWT authorization.

The weakness was disclosed 02/18/2023 as 1633. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2021-32163 since 05/07/2021. There are neither technical details nor an exploit publicly available.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-0634). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

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

NVD Base Score: 9.8
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: 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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

05/07/2021 🔍
02/18/2023 +652 days 🔍
02/18/2023 +0 days 🔍
07/05/2025 +868 days 🔍

Sourcesinfo

Product: github.com

Advisory: 1633
Status: Confirmed

CVE: CVE-2021-32163 (🔍)
GCVE (CVE): GCVE-0-2021-32163
GCVE (VulDB): GCVE-100-221432
EUVD: 🔍

Entryinfo

Created: 02/18/2023 08:21
Updated: 07/05/2025 15:51
Changes: 02/18/2023 08:21 (40), 03/18/2023 18:18 (11), 07/05/2025 15:51 (20)
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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