How severe is CVE-2020-10254?

CVE-2020-10254 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-10254 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-10254?

CVE-2020-10254 affects Owncloud. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-10254?

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

When was CVE-2020-10254 published?

CVE-2020-10254 was published on 2021-02-19 and last updated on 2026-06-17.

CVE-2020-10254

CVE-2020-10254 is a medium-severity vulnerability in Owncloud with a CVSS 3.x base score of 5.9. 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-287.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 4.3
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Owncloud
Published: 2021-02-19
Last modified: 2026-06-17

Description

An issue was discovered in ownCloud before 10.4. An attacker can bypass authentication on a password-protected image by displaying its preview.

Frequently asked questions

What is CVE-2020-10254?: An issue was discovered in ownCloud before 10.4. An attacker can bypass authentication on a password-protected image by displaying its preview.
How severe is CVE-2020-10254?: CVE-2020-10254 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-10254 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-10254?: CVE-2020-10254 affects Owncloud. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-10254?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-10254 published?: CVE-2020-10254 was published on 2021-02-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:owncloud:owncloud:*:*:*:*:*:*:*:*

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