Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-38991 |
CWE-ID | CWE-78 |
Exploitation vector | Local |
Public exploit | N/A |
Vulnerable software Subscribe |
IBM AIX Operating systems & Components / Operating system |
Vendor | IBM Corporation |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU59357
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-38991
CWE-ID:
CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improper input validation in the lscore command. A local user can pass specially crafted data to the the lscore command and execute arbitrary code with elevated privileges.
Install updates from vendor's website.
Vulnerable software versionsIBM AIX: 7.1 - 7.3
External linkshttp://aix.software.ibm.com/aix/efixes/security/lscore_advisory.asc
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.