7.5

CVE-2020-13933: apache shiro

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2020-13933DEBIAN-CVE-2020-13933GHSA-2vgm-wxr3-6w2j
Published 17-08-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-13933 is a high (CVSS 7.5) vulnerability in apache shiro. EPSS estimates a 44.41% chance of exploitation in the next 30 days, higher than 98.7% of scored vulnerabilities.

Overall risk
39/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
44.41%
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
DLA-2726-1USN-6352-1

Timeline

  1. 17-08-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Apache Shiro before 1.6.0, when using Apache Shiro, a specially crafted HTTP request may cause an authentication bypass.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

44.41%

Chance of exploitation in the next 30 days

Percentile

99%

Versus all other CVEs

30-day change

0.00 pp

From 44.41% on 18-09-2026

18-09-202618-10-2026
EPSS score
44.41%

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< 1.6.0
Ubuntu1 product
  • shiroAll versions (No fix recorded) | < 1.3.2-3ubuntu0.18.04.1~esm1 | < 1.3.2-4ubuntu0.2 | < 1.3.2-5

4 vendors · 5 products

References

36 links
Show all 36 references