How severe is CVE-2022-0637?

CVE-2022-0637 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2022-0637 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-0637?

CVE-2022-0637 affects Mozilla Pollbot. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-0637?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-0637 published?

CVE-2022-0637 was published on 2023-02-16 and last updated on 2026-06-17.

CVE-2022-0637

CVE-2022-0637 is a medium-severity vulnerability in Mozilla Pollbot with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-601.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-601
Affected product: Mozilla Pollbot
Published: 2023-02-16
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2022-0637?: open redirect in pollbot (pollbot.services.mozilla.com) in versions before 1.4.6
How severe is CVE-2022-0637?: CVE-2022-0637 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2022-0637 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-0637?: CVE-2022-0637 affects Mozilla Pollbot. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-0637?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-0637 published?: CVE-2022-0637 was published on 2023-02-16 and last updated on 2026-06-17.

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1753838

Affected products (1)

cpe:2.3:a:mozilla:pollbot:*:*:*:*:*:*:*:*

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