Medium severity · published Aug 12, 2018
CVE-2018-3776
Improper input validator in Nextcloud Server prior to 12.0.3 and 11.0.5 could lead to an attacker's actions not being logged in the audit log
5.3
CVSS
1.3%
EPSS
No
On KEV
Description
Improper input validator in Nextcloud Server prior to 12.0.3 and 11.0.5 could lead to an attacker's actions not being logged in the audit log.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 70% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NS
Nextcloud Server · HackerOne
<12.0.3 <11.0.5 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-3776
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-3776
Third Party Advisory
https://hackerone.com/reports/232347
Vendor Advisory
https://nextcloud.com/security/advisory/?id=NC-SA-2018-006
More from Nextcloud Server
8.8
CVE-2018-3775
Improper Authentication in Nextcloud Server prior to version 12.0.3 would allow an attacker that obtained user credentials to bypass the 2 Factor Authentication