RCE in Cacti
CVE-2020-8813
graph_realtime.php in Cacti 1.2.8 allows remote attackers to execute arbitrary OS commands via shell metacharacters in a cookie, if a guest user has the graph real-time privilege.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.740 (99.5th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.740 · newest: 0.740 · change: 0.000
Affected products
- Cacti — versions 1.2.8
- Opmantek Open-Audit — versions 3.3.1
- Debian Linux — versions 10.0
- Fedoraproject Fedora — versions 30, 31, 32
- openSUSE SUSE Linux Enterprise Server — versions 12.0
- openSUSE SUSE Package Hub
Weakness classification (CWE)
Public proof-of-concept exploits
References
- gist.github.com/mhaskar/ebe6b74c32fd0f7e1eedf1aabfd44129 (Exploit, Third Party Advisory)
- drive.google.com/file/d/1A8hxTyk_NgSp04zPX-23nPbsSDeyDFio/view (Exploit, Third Party Advisory)
- github.com/Cacti/cacti/releases (Release Notes)
- shells.systems/cacti-v1-2-8-authenticated-remote-code-execution-cve-2020-8813/ (Exploit, Third Party Advisory)
- github.com/Cacti/cacti/issues/3285 (Third Party Advisory, Issue Tracking)
- packetstormsecurity.com/files/156538/Cacti-1.2.8-Authenticated-Remote-Code-Exec… (VDB Entry, Third Party Advisory)
- packetstormsecurity.com/files/156537/Cacti-1.2.8-Unauthenticated-Remote-Code-Ex… (VDB Entry, Third Party Advisory)
- packetstormsecurity.com/files/156593/Cacti-1.2.8-Unauthenticated-Remote-Code-Ex… (VDB Entry, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2020-8813?
- CVE-2020-8813 is a high-severity vulnerability in Cacti, classified under OS Command Injection. CVSS score: 8.8/10. Published 2020-02-22.
- How severe is CVE-2020-8813?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2020-8813 known to be exploited?
- 43 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.