RCE in Nextcloud Desktop
CVE-2020-8224
A code injection in Nextcloud Desktop Client 2.6.4 allowed to load arbitrary code when placing a malicious OpenSSL config into a fixed directory.
Vulnerability class: RCE (Remote Code Execution)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (49.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Nextcloud Desktop
- Desktop Client — versions Fixed in 2.6.5
Weakness classification (CWE)
Public proof-of-concept exploits
References
- hackerone.com/reports/622170 (Exploit, Third Party Advisory)
- nextcloud.com/security/advisory/ (Broken Link, Vendor Advisory)
- security.gentoo.org/glsa/202009-09 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-8224?
- CVE-2020-8224 is a high-severity vulnerability in Nextcloud Desktop, classified under Code Injection. CVSS score: 7.8/10. Published 2020-08-10.
- How severe is CVE-2020-8224?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2020-8224 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.