CVE-2021-42326

CVE-2021-42326 is a medium-severity vulnerability in Redmine with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Redmine before 4.1.5 and 4.2.x before 4.2.3 may disclose the names of users on activity views due to an insufficient access filter.

Frequently asked questions

What is CVE-2021-42326?
Redmine before 4.1.5 and 4.2.x before 4.2.3 may disclose the names of users on activity views due to an insufficient access filter.
How severe is CVE-2021-42326?
CVE-2021-42326 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2021-42326 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-42326?
CVE-2021-42326 primarily affects Redmine. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-42326?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-42326 published?
CVE-2021-42326 was published on 2021-10-12 and last updated on 2026-06-17.

References

Affected products (2)

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