CVE-2021-37580 in the critical feed json
Apache ShenYu Admin bypass JWT authentication
published 4y ago modified 4mo ago also GHSA-vpfp-5gwq-g533 , EUVD-2021-2400
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 42.1%
- EPSS 42.1% chance of exploitation in 30 days, percentile 98%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
A flaw was found in Apache ShenYu Admin. The incorrect use of JWT in ShenyuAdminBootstrap allows an attacker to bypass authentication. This issue affected Apache ShenYu 2.3.0 and 2.4.0
Patch / fix
- maven org.apache.shenyu:shenyu-admin 2.4.1
Is CVE-2021-37580 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
42.12% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- Nuclei template Apache ShenYu Admin JWT - Authentication Bypass nuclei detection template
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| GitHub | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | org.apache.shenyu:shenyu-admin | >=2.3.0, <2.4.1 |
2.4.1 |
Affected products
- Apache Software Foundation Apache ShenYu Admin
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
github.com
/apache/shenyu/commit/f78adb26926ba53b4ec5c21f2cf7e931461d601d
web
-
lists.apache.org
/thread/o15j25qwtpcw62k48xw1tnv48skh3zgb
web, mailing-list, vendor-advisory
-
openwall.com
/lists/oss-security/2021/11/16/1
mailing-list, web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-37580
advisory
-
github.com
/apache/shenyu
package
-
github.com
/apache/shenyu/releases/tag/v2.4.1
web
Sources
- CVE List CVE-2021-37580
- GitHub Advisory GHSA-vpfp-5gwq-g533
- NVD CVE-2021-37580
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.