9.8

CVE-2020-13665: drupal

CVSS: 9.8v3.1CriticalModified
Published 05-05-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-13665 is a critical (CVSS 9.8) vulnerability in drupal. EPSS estimates a 1.27% chance of exploitation in the next 30 days, higher than 69.4% 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
1.27%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 05-05-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Access bypass vulnerability in Drupal Core allows JSON:API when JSON:API is in read/write mode. Only sites that have the read_only set to FALSE under jsonapi.settings config are vulnerable. This issue affects: Drupal Drupal Core 8.8.x versions prior to 8.8.8; 8.9.x versions prior to 8.9.1; 9.0.x versions prior to 9.0.1.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.27%

Chance of exploitation in the next 30 days

Percentile

69%

Versus all other CVEs

30-day change

0.00 pp

From 1.27% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.27%

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

Drupal2 products
  • drupal≥ 8.8.0, < 8.8.8 | ≥ 8.9.0, < 8.9.1 | ≥ 9.0.0, < 9.0.1
  • drupal core≥ 8.8.x, < 8.8.8 | ≥ 8.9.x, < 8.9.1 | ≥ 9.0.x, < 9.0.1

1 vendor · 2 products

References

1 links