CVE-2020-29454
CVE-2020-29454 is a medium-severity vulnerability in Umbraco Umbraco Cms with a CVSS 3.x base score of 4.3. 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-863.
Key facts
- Severity: Medium (CVSS 3.x base score 4.3)
- CVSS v2: 4.0
- EPSS exploit prediction: 1% (55th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-863
- Affected product: Umbraco Umbraco Cms
- Published:
- Last modified:
Description
Editors/LogViewerController.cs in Umbraco through 8.9.1 allows a user to visit a logviewer endpoint even if they lack Applications.Settings access.
Frequently asked questions
- What is CVE-2020-29454?
- Editors/LogViewerController.cs in Umbraco through 8.9.1 allows a user to visit a logviewer endpoint even if they lack Applications.Settings access.
- How severe is CVE-2020-29454?
- CVE-2020-29454 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
- Is CVE-2020-29454 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-29454?
- CVE-2020-29454 affects Umbraco Umbraco Cms. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-29454?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-29454 published?
- CVE-2020-29454 was published on 2020-12-02 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:umbraco:umbraco_cms:*:*:*:*:*:*:*:*
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