Auth bypass in Apache Shenyu
CVE-2021-37580
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
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.421 (98.7th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.419 · newest: 0.421 · change: +0.003
Affected products
- Apache Shenyu — versions 2.3.0, 2.4.0
- Apache Software Foundation Shenyu Admin — versions Apache ShenYu Admin 2.3.0-2.4.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.apache.org/thread/o15j25qwtpcw62k48xw1tnv48skh3zgb (Mailing List, Vendor Advisory)
- www.openwall.com/lists/oss-security/2021/11/16/1 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-37580?
- CVE-2021-37580 is a critical-severity vulnerability in Apache Shenyu, classified under Improper Authentication. CVSS score: 9.8/10. Published 2021-11-16.
- How severe is CVE-2021-37580?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-37580 known to be exploited?
- 42 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.