High severity · published Mar 10, 2022
CVE-2021-3698
A flaw was found in Cockpit in versions prior to 260 in the way it handles the certificate verification performed by the System Security Services Daemon (SSSD)
7.5
CVSS
0.7%
EPSS
No
On KEV
Description
A flaw was found in Cockpit in versions prior to 260 in the way it handles the certificate verification performed by the System Security Services Daemon (SSSD). This flaw allows client certificates to authenticate successfully, regardless of the Certificate Revocation List (CRL) configuration or the certificate status. The highest threat from this vulnerability is to confidentiality.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CO
Cockpit · Cockpit-project
before 260 · source: NVD
EL
Enterprise Linux · Redhat
8.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-3698
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-3698
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1992149
More from Cockpit
7.5
CVE-2019-3804
It was found that cockpit before version 184 used glib's base64 decode functionality incorrectly resulting in a denial of service attack
6.5
CVE-2020-35850
An SSRF issue was discovered in cockpit-project.org Cockpit 234
4.3
CVE-2021-3660
Cockpit (and its plugins) do not seem to protect itself against clickjacking