CVE-2020-1957: Apache Shiro before 1.5.2, when using Apache Shiro with Spring dynamic controllers, a specially crafted request may c…
- Is it exploited?
Reported, not confirmed by CISA. VulnCheck KEV lists it as exploited in the wild. CISA has not added it to its Known Exploited Vulnerabilities catalog as of .
VulnCheck KEV lists it since . It cites 1 public report, the first from .
- How likely is exploitation in the next 30 days?
- 23.3%
EPSS score, percentile 97.8 of all scored records. A probability estimated by FIRST, not a report of exploitation.
- How severe?
- Not scored
The CVE record carries no CVSS score.
- What should I do?
CISA has set no required action, because the vulnerability is not in KEV.
The CVE record links no vendor advisory, patch or mitigation.
- Which versions are affected?
Affected
- Apache Shiro to 1.5.2
Source: CISA KEV 2026.10.29, as of ; VulnCheck KEV, as of ; FIRST EPSS, as of ; CVE List, as of . About the data.
Description
Apache Shiro before 1.5.2, when using Apache Shiro with Spring dynamic controllers, a specially crafted request may cause an authentication bypass.
Source: CVE List, as of . About the data.
What to do
Advisories and patches
The CVE record links no vendor advisory, patch or mitigation.
This summary is based on the CVE record as of . Check the vendor's advisory before you act: affected versions and fixes can change.
Affected products and versions
Versions by product, as listed in the CVE record (1 product)
| Status | Versions |
|---|---|
| Affected | Apache Shiro to 1.5.2 |
Source: CVE List, as of . About the data.
Timeline
| Date | Event |
|---|---|
| CVE record published | |
| CVE record last updated |
References
7
- lists.apache.org
- [camel-commits] 20200325 [camel] branch camel-3.0.x updated: Updating Shiro to 1.5.2 due to CVE-2020-1957
- [geode-dev] 20200406 Proposal to bring GEODE-7941 to support/1.12
- [debian-lts-announce] 20200419 [SECURITY] [DLA 2181-1] shiro security update
- [shiro-commits] 20200622 svn commit: r1879089 - /shiro/site/publish/security-reports.html
- [shiro-commits] 20200622 svn commit: r1879088 - /shiro/site/publish/security-reports.html
- [shiro-commits] 20200817 svn commit: r1880941 - /shiro/site/publish/security-reports.html
Known exploited Apache vulnerabilities
- CVE-2016-3081: Apache Struts Command Injection Vulnerability
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- CVE-2026-34197: Apache ActiveMQ Improper Input Validation Vulnerability
- CVE-2024-38475: Apache HTTP Server Improper Escaping of Output Vulnerability
- CVE-2025-24813: Apache Tomcat Path Equivalence Vulnerability