CVE-2021-32163
Privilege escalation in MOSN
Authentication vulnerability in MOSN v.0.23.0 allows attacker to escalate privileges via case-sensitive JWT authorization.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Authentication vulnerability in MOSN v.0.23.0 allows attacker to escalate privileges via case-sensitive JWT authorization.
- Record
CVE-2021-32163- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-863
- Updated
- 2026-11-02
CVE List
Authentication vulnerability in MOSN v.0.23.0 allows attacker to escalate privileges via case-sensitive JWT authorization.
- Record
CVE-2021-32163- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-863
- Updated
- 2026-11-02
EUVDEUVD-2023-0634
Authentication vulnerability in MOSN v.0.23.0 allows attacker to escalate privileges via case-sensitive JWT authorization.
- Record
EUVD-2023-0634- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-5vx9-j5cw-47vq
Privilege escalation in MOSN
Authentication vulnerability in MOSN before v.0.23.0 allows attacker to escalate privileges via case-sensitive JWT authorization.
- Record
GHSA-5vx9-j5cw-47vq- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-178, CWE-863
- Updated
- 2026-11-02
OSV
Authentication vulnerability in MOSN v.0.23.0 allows attacker to escalate privileges via case-sensitive JWT authorization.
- Record
CVE-2021-32163- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-5vx9-j5cw-47vq
Privilege escalation in MOSN
Authentication vulnerability in MOSN before v.0.23.0 allows attacker to escalate privileges via case-sensitive JWT authorization.
- Record
GHSA-5vx9-j5cw-47vq- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-178, CWE-863
- Updated
- 2026-11-02
OSVGO-2023-1582No score
Privilege escalation in MOSN in mosn.io/mosn
Privilege escalation in MOSN in mosn.io/mosn
- Record
GO-2023-1582- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
mosn.io/mosnGo | before 0.23.0 | 0.23.0 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-32163 is a critical vulnerability (CVSS 9.8) in Linuxfoundation Modular Open Smart Network, published February 17, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.95%, the 61st percentile. Fixed in mosn.io/mosn 0.23.0.