9.8

CVE-2020-1957: apache shiro

CVSS: 9.8v3.1CriticalModified
AliasesUBUNTU-CVE-2020-1957DEBIAN-CVE-2020-1957DLA-2181-1
Published 25-03-2020Last modified 04-08-2024

Vulnerability summary

CVE-2020-1957 is a critical (CVSS 9.8) vulnerability in apache shiro. EPSS estimates a 23.33% chance of exploitation in the next 30 days, higher than 97.7% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
23.33%
0%100%
High · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 1

Timeline

  1. 25-03-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Apache Shiro before 1.5.2, when using Apache Shiro with Spring dynamic controllers, a specially crafted request may cause an authentication bypass.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

23.33%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

0.00 pp

From 23.33% on 18-09-2026

18-09-202618-10-2026
EPSS score
23.33%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Debian2 products
Apache1 product
Org.apache.shiro1 product
  • shiro-core< 1.5.2
Ubuntu1 product
  • shiroAll versions (No fix recorded) | < 1.3.2-3~18.04.1 | < 1.3.2-4ubuntu0.1

4 vendors · 5 products

References

20 links
Show all 20 references