CVE-2021-32163 — Privilege escalation in mosn.io/mosn — CVE Details

CRITICAL

Privilege escalation in MOSN

Published February 17, 2023Updated August 20, 2024Source: osv

Summary

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

Advisory Timeline

First published February 17, 2023 (1333 days ago).
Last revised August 20, 2024 — 550 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Update mosn.io/mosn to 0.23.0 or later

go get mosn.io/mosn@v0.23.0

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: go (1).

Package	Ecosystem	Affected	Fixed In
mosn.io/mosn	go	All versions	0.23.0

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CWE-178
View on MITRE
CWE-863
Incorrect AuthorizationMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.8 score means for each attack dimension.

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

https://nvd.nist.gov/vuln/detail/CVE-2021-32163
ADVISORY
https://github.com/mosn/mosn/issues/1633
WEB
https://github.com/mosn/mosn/pull/1637
WEB
https://github.com/mosn/mosn
PACKAGE

Frequently Asked Questions

What is CVE-2021-32163?: Privilege escalation in MOSN This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.8/10).
How do I check if my project is affected by CVE-2021-32163?: CVE-2021-32163 affects mosn.io/mosn. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2021-32163 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score

9.8

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-5vx9-j5cw-47vq

GO-2023-1582

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