Vulnerability in Nextcloud Server
CVE-2020-8152
Insufficient protection of the server-side encryption keys in Nextcloud Server 19.0.1 allowed an attacker to replace the public key to decrypt them later on.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.003 (22.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 22.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Nextcloud Server
- Nextcloud Server — versions Fixed in 20.0.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- hackerone.com/reports/743505 (Exploit, Third Party Advisory, Issue Tracking)
- nextcloud.com/security/advisory/ (Broken Link, Vendor Advisory)
- seclists.org/fulldisclosure/2020/Dec/54 (mailing-list, Exploit, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-8152?
- CVE-2020-8152 is a medium-severity vulnerability in Nextcloud Server, classified under Insufficiently Protected Credentials. CVSS score: 4.4/10. Published 2020-11-16.
- How severe is CVE-2020-8152?
- Medium severity. CVSS v3 base score is 4.4 out of 10.
- Is CVE-2020-8152 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.