Medium severity · published Mar 3, 2021
CVE-2020-8296
Nextcloud Server prior to 20.0.0 stores passwords in a recoverable format even when external storage is not configured
6.7
CVSS
0.5%
EPSS
No
On KEV
Description
Nextcloud Server prior to 20.0.0 stores passwords in a recoverable format even when external storage is not configured.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 43% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Fedora · Fedoraproject
34 · source: NVD
NS
Nextcloud Server · Nextcloud
before 20.0.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-8296
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-8296
Exploit
https://github.com/nextcloud/server/issues/17439
Patch
https://github.com/nextcloud/server/pull/21037
Exploit
https://hackerone.com/reports/867164
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L6BO6P6MP2MOWA6PZRXX32PLWPXN5O4S/
Vendor Advisory
https://nextcloud.com/security/advisory/?id=NC-SA-2021-006
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