#VU24394 Input validation error in Cacti - CVE-2020-7237

Vulnerability identifier: #VU24394

Vulnerability risk: High

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-7237

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cacti
Web applications / Other software

Vendor: The Cacti Group, Inc.

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insufficient validation of user-supplied input in the Performance Boost Debug Log field of "poller_automation.php". A remote authenticated attacker can execute arbitrary code via shell metacharacters.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Cacti: 1.2.8

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External links
https://github.com/Cacti/cacti/issues/3201

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.