Command Injection in Cacti
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-8813 |
| CWE-ID | CWE-78 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
Cacti Web applications / Other software |
| Vendor | The Cacti Group, Inc. |
Security Bulletin
This security bulletin contains one high risk vulnerability.
1) OS Command Injection
EUVDB-ID: #VU25543
Risk: High
CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2020-8813
CWE-ID:
CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Exploit availability: Yes
DescriptionThe vulnerability allows a remote user to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation in the "graph_realtime.php" file. A remote user with graph real-time privilege can execute arbitrary OS commands on the target system via shell metacharacters in a cookie.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsCacti: 1.2.8
External linkshttp://drive.google.com/file/d/1A8hxTyk_NgSp04zPX-23nPbsSDeyDFio/view
http://gist.github.com/mhaskar/ebe6b74c32fd0f7e1eedf1aabfd44129
http://github.com/Cacti/cacti/releases
http://shells.systems/cacti-v1-2-8-authenticated-remote-code-execution-cve-2020-8813/
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. However, proof of concept for this vulnerability is available.
