9.8

CVE-2020-17510: apache shiro Improper Authentication

CVSS: 9.8v3.1CriticalModified
AliasesUBUNTU-CVE-2020-17510DEBIAN-CVE-2020-17510GHSA-7cj4-gj8m-m2f7
Published 05-11-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-17510 is a critical (CVSS 9.8) Improper Authentication vulnerability in apache shiro. EPSS estimates a 8.03% chance of exploitation in the next 30 days, higher than 94.7% 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
8.03%
0%100%
Low · -0.22 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. 05-11-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Apache Shiro before 1.7.0, when using Apache Shiro with Spring, a specially crafted HTTP request may cause an authentication bypass.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

8.03%

Chance of exploitation in the next 30 days

Percentile

95%

Versus all other CVEs

30-day change

-0.22 pp

From 8.25% on 18-09-2026

18-09-202618-10-2026
EPSS score
8.03%

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

Affected systems

Debian2 products
Apache1 product
Org.apache.shiro1 product
  • shiro-spring< 1.7.0
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

26 links
Show all 26 references