High severity · published Jan 26, 2021
CVE-2020-8295
A wrong check in Nextcloud Server 19 and prior allowed to perform a denial of service attack when resetting the password for a user
7.5
CVSS
1.8%
EPSS
No
On KEV
Description
A wrong check in Nextcloud Server 19 and prior allowed to perform a denial of service attack when resetting the password for a user.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.8% · higher than 79% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NS
Nextcloud Server · Nextcloud
before 20.0.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-8295
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-8295
Exploit
https://hackerone.com/reports/812754
Vendor Advisory
https://nextcloud.com/security/advisory/?id=NC-SA-2021-003
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