6.1

CVE-2020-28724: palletsprojects werkzeug Open Redirect

CVSS: 6.1v3.1MediumModified
AliasesGHSA-3p3h-qghp-hvh2PYSEC-2020-157UBUNTU-CVE-2020-28724
Published 18-11-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-28724 is a medium (CVSS 6.1) Open Redirect vulnerability in palletsprojects werkzeug. EPSS estimates a 1.68% chance of exploitation in the next 30 days, higher than 76.6% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.1 (NVD)
EPSS score
1.68%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Advisory lineage

Upstream 0 · Downstream 1 · Related 1
USN-4655-1

Timeline

  1. 18-11-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Open redirect vulnerability in werkzeug before 0.11.6 via a double slash in the URL.

CVSS metrics

6 scores · 4 sources · 3 versions

EPSS trend

Probability

1.68%

Chance of exploitation in the next 30 days

Percentile

77%

Versus all other CVEs

30-day change

0.00 pp

From 1.68% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.68%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Flask

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • python-werkzeug< 0.11.9+dfsg1-1
Palletsprojects1 product
PyPI1 product
  • werkzeug< 0.11.6
Ubuntu1 product
  • python-werkzeug< 0.10.4+dfsg1-1ubuntu1.2

4 vendors · 4 products

References

11 links
Show all 11 references