Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-4034 |
CWE-ID | CWE-20 |
Exploitation vector | Local |
Public exploit | Vulnerability #1 is being exploited in the wild. |
Vulnerable software Subscribe |
ClearPass Policy Manager Other software / Other software solutions Aruba Central On-Premises Other software / Other software solutions Aruba Analytics and Location Engine Other software / Other software solutions |
Vendor | Aruba Networks |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU60007
Risk: Medium
CVSSv3.1: 8.4 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C]
CVE-ID: CVE-2021-4034
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: Yes
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improper handling of the calling parameters count in the pkexec setuid binary, which causes the binary to execute environment variables as commands. A local user can craft environment variables in a way that they will be processed and executed by pkexec and execute arbitrary commands on the system as root.
Install update from vendor's website.
Vulnerable software versionsClearPass Policy Manager: before 6.10.4
Aruba Central On-Premises: before 2.5.4.3
Aruba Analytics and Location Engine: before 2.2.0.2
External linkshttp://support.hpe.com/hpesc/public/docDisplay?docLocale=en_US&docId=hpesbnw04237en_us
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?
Yes. This vulnerability is being exploited in the wild.