Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-3560 |
CWE-ID | CWE-264 |
Exploitation vector | Local |
Public exploit | Vulnerability #1 is being exploited in the wild. |
Vulnerable software |
polkit Other software / Other software solutions |
Vendor | Freedesktop.org |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU53837
Risk: Low
CVSSv4.0: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Clear]
CVE-ID: CVE-2021-3560
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: Yes
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in the "polkit_system_bus_name_get_creds_sync" function, which leads to security restrictions bypass and privilege escalation.
MitigationInstall updates from vendor's website.
Vulnerable software versionspolkit: 0.113 - 0.118
CPE2.3http://seclists.org/oss-sec/2021/q2/180
http://gitlab.freedesktop.org/polkit/polkit/-/commit/a04d13a
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.