CVE-2020-13662: drupal URL Redirection to Untrusted Site
Vulnerability summary
CVE-2020-13662 is a medium (CVSS 6.1) URL Redirection to Untrusted Site vulnerability in drupal. EPSS estimates a 0.86% chance of exploitation in the next 30 days, higher than 58.6% of scored vulnerabilities.
Not severe (CVSS 6.1, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 1Timeline
- 05-05-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Open Redirect vulnerability in Drupal Core allows a user to be tricked into visiting a specially crafted link which would redirect them to an arbitrary external URL. This issue affects: Drupal Drupal Core 7 version 7.70 and prior versions.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- OSV · AlpineEcosystem advisory · calculated6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS trend
Probability
0.86%
Chance of exploitation in the next 30 days
Percentile
59%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.86% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Drupal2 products
- drupal≥ 7.0, ≤ 7.70
- drupal core≥ 7, ≤ 7.70
Alpine1 product
- drupal7< 7.70-r0
Debian1 product
- drupal7< 7.32-1+deb8u18
Ubuntu1 product
- drupal7All versions (No fix recorded)
4 vendors · 5 products