6.1

CVE-2022-0637: mozilla pollbot Open Redirect

CVSS: 6.1v3.1MediumModified
AliasesGHSA-vg27-hr3v-3cqvPYSEC-2026-738
Published 16-02-2023Last modified 19-03-2025

Vulnerability summary

CVE-2022-0637 is a medium (CVSS 6.1) Open Redirect vulnerability in mozilla pollbot. EPSS estimates a 0.43% chance of exploitation in the next 30 days, higher than 35.7% of scored vulnerabilities.

Overall risk
24/100
0100
Low · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.43%
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. 16-02-2023
    PublishedVulnerability first disclosed.
  2. 19-03-2025
    Last modifiedVulnerability information updated.

Description

open redirect in pollbot (pollbot.services.mozilla.com) in versions before 1.4.6

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.43%

Chance of exploitation in the next 30 days

Percentile

36%

Versus all other CVEs

30-day change

0.00 pp

From 0.43% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.43%

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

Mozilla1 product
PyPI1 product
  • pollbot< 1.4.6

2 vendors · 2 products

References

9 links