CVE-2020-1957

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

23.33% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 97.6% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2020-03-25 15:24Z6 YR AGO

Last updated

2024-08-04 06:54Z2 YR AGO

Reserved

2019-12-02

Assigning CNA

apache

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-287Improper AuthenticationClass

Data version

5.1

Document digest

6fb3d28e172c2d8e80b410cabbb9d3c06512f76ee26e3392b2590ac1b5a2e0c9

• lists.apache.orghttps://lists.apache.org/thread.html/r17f371fc89d34df2d0c8131473fbc68154290e1be238895648f5a1e6%40%3Cdev.shiro.apache.org%3Ex_refsource_MISC
• lists.apache.org[camel-commits] 20200325 [camel] branch camel-3.0.x updated: Updating Shiro to 1.5.2 due to CVE-2020-1957https://lists.apache.org/thread.html/rc64fb2336683feff3580c3c3a8b28e80525077621089641f2f386b63%40%3Ccommits.camel.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[geode-dev] 20200406 Proposal to bring GEODE-7941 to support/1.12https://lists.apache.org/thread.html/rb3982edf8bc8fcaa7a308e25a12d294fb4aac1f1e9d4e14fda639e77%40%3Cdev.geode.apache.org%3Emailing-listx_refsource_MLIST
• lists.debian.org[debian-lts-announce] 20200419 [SECURITY] [DLA 2181-1] shiro security updatehttps://lists.debian.org/debian-lts-announce/2020/04/msg00014.htmlmailing-listx_refsource_MLIST
• lists.apache.org[shiro-commits] 20200622 svn commit: r1879089 - /shiro/site/publish/security-reports.htmlhttps://lists.apache.org/thread.html/rc8b39ea8b3ef71ddc1cd74ffc866546182683c8adecf19c263fe7ac0%40%3Ccommits.shiro.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[shiro-commits] 20200622 svn commit: r1879088 - /shiro/site/publish/security-reports.htmlhttps://lists.apache.org/thread.html/r2d2612c034ab21a3a19d2132d47d3e4aa70105008dd58af62b653040%40%3Ccommits.shiro.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[shiro-commits] 20200817 svn commit: r1880941 - /shiro/site/publish/security-reports.htmlhttps://lists.apache.org/thread.html/rab1972d6b177f7b5c3dde9cfb0a40f03bca75f0eaf1d8311e5762cb3%40%3Ccommits.shiro.apache.org%3Emailing-listx_refsource_MLIST