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CVE-2020-8813

80
FAUCET Score

CVE-2020-8813 is a critical remote code execution (RCE) vulnerability in Cacti 1.2.8, affecting various distributions including Debian and Fedora. It allows authenticated guest users with specific privileges to execute arbitrary OS commands by injecting shell metacharacters into a cookie via the graph_realtime.php script. With a CVSS score of 8.8 (High) and an EPSS score indicating high exploitability, this flaw presents a significant risk due to its low attack complexity and severe impact (full confidentiality, integrity, and availability compromise). While not listed in CISA's KEV catalog or showing active exploitation, public exploit code is available on ExploitDB and Nuclei templates exist, suggesting a high potential for future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
1.2.8CPE matchmatch criteria
cpe:2.3:a:cacti:cacti:1.2.8:*:*:*:*:*:*:*
30CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
31CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
32CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
3.3.1CPE matchmatch criteria
cpe:2.3:a:opmantek:open-audit:3.3.1:*:*:*:-:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
73.78%
Probability of exploitation in next 30 days
EPSS Percentile
99.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2020-8813 · Jul 26, 2021
ExploitDB: EDB-48144 · Feb 3, 2020
This CVE's current EPSS score of 0.7378 is in the 99th percentile among its peer group of 17,823 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

lists.opensuse.org / opensuse-security-announce/2020-04/msg00042.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2020-04/msg00048.html
ExploitThird Party Advisory
packetstormsecurity.com / files/156537/Cacti-1.2.8-Unauthenticated-Remote-Code-Execution.html
Third Party AdvisoryVDB Entry
packetstormsecurity.com / files/156538/Cacti-1.2.8-Authenticated-Remote-Code-Execution.html
Third Party AdvisoryVDB Entry
packetstormsecurity.com / files/156593/Cacti-1.2.8-Unauthenticated-Remote-Code-Execution.html
Third Party AdvisoryVDB Entry
packetstormsecurity.com / files/157477/Open-AudIT-Professional-3.3.1-Remote-Code-Execution.html
Third Party AdvisoryVDB Entry
drive.google.com / file/d/1A8hxTyk_NgSp04zPX-23nPbsSDeyDFio/view
ExploitThird Party Advisory
gist.github.com / mhaskar/ebe6b74c32fd0f7e1eedf1aabfd44129
ExploitThird Party Advisory
github.com / Cacti/cacti/issues/3285
Issue TrackingThird Party Advisory
github.com / Cacti/cacti/releases
Release Notes
lists.debian.org / debian-lts-announce/2022/12/msg00039.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/M77SS33IDVNGBU566TK2XVULPW3RXUQ4
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/WAX3LDXPIKWNBGVZSIMZV7LI5K6BZRTO
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/XEMDQXDRNQYXOME7TACKDVCXZXZNGZE2
security.gentoo.org / glsa/202004-16
Third Party Advisory
shells.systems / cacti-v1-2-8-authenticated-remote-code-execution-cve-2020-8813
ExploitThird Party Advisory