VulnerabilityModified
CVE-2020-8150
A cryptographic issue in Nextcloud Server 19.0.1 allowed an attacker to downgrade the encryption scheme and break the integrity of encrypted files.
MEDIUM 4.1EPSS 0.29%
Does this matter?
Lower severity and a low EPSS score (0.29%). Track it; it rarely justifies an emergency change on its own.
Description
A cryptographic issue in Nextcloud Server 19.0.1 allowed an attacker to downgrade the encryption scheme and break the integrity of encrypted files.
- CVSS 3.1
- 4.1 MEDIUMCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 0.29% probability · 21th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-310, CWE-311
- Affected
- nextcloud/nextcloud server
- Source
- support@hackerone.com
References
- http://seclists.org/fulldisclosure/2020/Dec/55Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2020/Dec/57Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2020/Dec/58Mailing List, Third Party Advisory
- https://hackerone.com/reports/742588Exploit, Third Party Advisory
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-039Vendor Advisory
- http://seclists.org/fulldisclosure/2020/Dec/55Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2020/Dec/57Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2020/Dec/58Mailing List, Third Party Advisory
- https://hackerone.com/reports/742588Exploit, Third Party Advisory
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-039Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.