6.1

CVE-2020-36389: civicrm Cross-Site Request Forgery (CSRF)

CVSS: 6.1v3.1MediumModified
AliasesUBUNTU-CVE-2020-36389DEBIAN-CVE-2020-36389
Published 17-06-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-36389 is a medium (CVSS 6.1) Cross-Site Request Forgery (CSRF) vulnerability in civicrm. EPSS estimates a 0.66% chance of exploitation in the next 30 days, higher than 50.9% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 5.28.1.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.1 (wordfence)
EPSS score
0.66%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 17-06-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

In CiviCRM before 5.28.1 and CiviCRM ESR before 5.27.5 ESR, the CKEditor configuration form allows CSRF.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.66%

Chance of exploitation in the next 30 days

Percentile

51%

Versus all other CVEs

30-day change

0.00 pp

From 0.66% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.66%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (blog.sonarsource.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Civicrm1 product
Debian1 product
  • civicrm< 5.28.4+dfsg1-1
Ubuntu1 product
  • civicrmAll versions (No fix recorded)
Wordpress1 product
  • civicrm≤ 5.28.0 (fixed in 5.28.1)

4 vendors · 4 products

References

6 links