VulnerabilityModified
CVE-2020-8173
A too small set of random characters being used for encryption in Nextcloud Server 18.0.4 allowed decryption in shorter time than intended.
LOW 2.2EPSS 0.37%
Does this matter?
Lower severity and a low EPSS score (0.37%). Track it; it rarely justifies an emergency change on its own.
Description
A too small set of random characters being used for encryption in Nextcloud Server 18.0.4 allowed decryption in shorter time than intended.
- CVSS 3.1
- 2.2 LOWCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N
- EPSS
- 0.37% probability · 31th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-310, CWE-311
- Affected
- nextcloud/nextcloud server
- Source
- support@hackerone.com
EPSS 0.4% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://hackerone.com/reports/852841Exploit, Third Party Advisory
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-023Broken Link, Vendor Advisory
- https://hackerone.com/reports/852841Exploit, Third Party Advisory
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-023Broken Link, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.