Medium severity · published Jul 30, 2020
CVE-2020-8202
Improper check of inputs in Nextcloud Preferred Providers app v1.6.0 allowed to perform a denial of service attack when using a very long password
5.3
CVSS
1.3%
EPSS
No
On KEV
Description
Improper check of inputs in Nextcloud Preferred Providers app v1.6.0 allowed to perform a denial of service attack when using a very long password.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 71% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PP
Preferred Providers · Nextcloud
1.6.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-8202
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-8202
Exploit
https://hackerone.com/reports/840598
Vendor Advisory
https://nextcloud.com/security/advisory/?id=NC-SA-2020-028
More from Preferred Providers
5.3
CVE-2020-8228
A missing rate limit in the Preferred Providers app 1.7.0 allowed an attacker to set the password an uncontrolled amount of times