Vulnerability in Nextcloud Desktop
CVE-2021-22879
Nextcloud Desktop Client prior to 3.1.3 is vulnerable to resource injection by way of missing validation of URLs, allowing a malicious server to execute remote commands. User interaction is needed for exploitation.
EPSS: 0.047 (90.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Nextcloud Desktop
- Fedoraproject Fedora — versions 33
- N/a Nextcloud Desktop Client — versions Fixed in 3.1.3
Weakness classification (CWE)
References
- support@hackerone.com (Exploit, Third Party Advisory, x_refsource_MISC)
- support@hackerone.com (x_refsource_MISC, Vendor Advisory)
- support@hackerone.com (Patch, Third Party Advisory, x_refsource_MISC)
- support@hackerone.com (x_refsource_FEDORA, vendor-advisory)
- support@hackerone.com (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
Frequently asked questions
- What is CVE-2021-22879?
- CVE-2021-22879 is a high-severity vulnerability in Nextcloud Desktop, classified under Resource Injection. CVSS score: 8.8/10. Published 2021-04-14.
- How severe is CVE-2021-22879?
- High severity. CVSS v3 base score is 8.8 out of 10.