Risk | High |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-27928 |
CWE-ID | CWE-77 |
Exploitation vector | Network |
Public exploit | Public exploit code for vulnerability #1 is available. |
Vulnerable software Subscribe |
rh-mariadb103-mariadb (Red Hat package) Operating systems & Components / Operating system package or component rh-mariadb103-galera (Red Hat package) Operating systems & Components / Operating system package or component Red Hat Software Collections Universal components / Libraries / Software for developers |
Vendor | Red Hat Inc. |
Security Bulletin
This security bulletin contains one high risk vulnerability.
EUVDB-ID: #VU51645
Risk: High
CVSSv3.1: 8.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2021-27928
CWE-ID:
CWE-77 - Command injection
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to execute arbitrary commands on the target system.
The vulnerability exists due to improper input validation in the "wsrep_provider" and "wsrep_notify_cmd" parameters. A remote attacker can pass specially crafted data to the application and execute arbitrary commands on the target system.
MitigationInstall updates from vendor's website.
rh-mariadb103-mariadb (Red Hat package): 10.3.27-1.el7
rh-mariadb103-galera (Red Hat package): 25.3.31-1.el7
Red Hat Software Collections: 1 for RHEL 7 - 1 for RHEL 7.7
External linkshttp://access.redhat.com/errata/RHSA-2021:2040
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.