How severe is CVE-2021-43745?

CVE-2021-43745 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2021-43745 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-43745?

CVE-2021-43745 affects Trillium Notes Project Trillum Notes. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-43745?

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

When was CVE-2021-43745 published?

CVE-2021-43745 was published on 2022-02-24 and last updated on 2026-06-17.

CVE-2021-43745

CVE-2021-43745 is a medium-severity vulnerability in Trillium Notes Project Trillum Notes with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Trillium Notes Project Trillum Notes
Published: 2022-02-24
Last modified: 2026-06-17

Description

A Denial of Service vulnerabilty exists in Trilium Notes 0.48.6 in the setupPage function

Frequently asked questions

What is CVE-2021-43745?: A Denial of Service vulnerabilty exists in Trilium Notes 0.48.6 in the setupPage function
How severe is CVE-2021-43745?: CVE-2021-43745 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2021-43745 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-43745?: CVE-2021-43745 affects Trillium Notes Project Trillum Notes. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-43745?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-43745 published?: CVE-2021-43745 was published on 2022-02-24 and last updated on 2026-06-17.

References

https://github.com/zadam/trilium/issues/2340

Affected products (1)

cpe:2.3:a:trillium_notes_project:trillum_notes:0.48.6:*:*:*:*:*:*:*