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Fencer Intel
high 8.8

CVE-2020-8813 in the critical feed json

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…

published 6y ago modified 4mo ago also EUVD-2020-29661

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
74.0%
EPSS 74.0% chance of exploitation in 30 days, percentile 99.4%
public exploits
2
Exploit-DB, plus a Nuclei check

Summary

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.

Patch / fix

  • cacti Debian 14, Debian 13, Debian 12 1.2.10+ds1-1

debian advisories DEBIAN-CVE-2020-8813

  • cacti openSUSE Tumbleweed 1.2.18-1.2
  • cacti-spine Package Hub 15 SP1 1.2.11-bp151.4.6.1
  • cacti Package Hub 15 SP1 1.2.11-bp151.4.6.1
  • cacti-spine Package Hub 12, openSUSE Leap 15.1 1.2.11-2.1
  • cacti Package Hub 12, openSUSE Leap 15.1 1.2.11-5.1

opensuse advisories openSUSE-SU-2024:10670-1openSUSE-SU-2020:0565-1openSUSE-SU-2020:0558-1

  • cacti Alpine 3.24, Alpine 3.23, Alpine 3.22 +11 more 1.2.8-r0

alpine advisories ALPINE-CVE-2020-8813

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2020-8813 updated cvss 8.0

cacti: remote code can be executed when guest users have access to realtime graphs

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. First public exploit (EDB-48145)
  2. Published

Exploit prediction

73.96% chance of exploitation in the next 30 days, higher than 99.4% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-48145 Cacti 1.2.8 - Unauthenticated Remote Code Execution webapps, 2020-02-03
  • EDB-48144 Cacti 1.2.8 - Authenticated Remote Code Execution webapps, 2020-02-03
  • Nuclei template Cacti v1.2.8 - Remote Code Execution nuclei detection template
  • lists.opensuse.org http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00048.html referenced PoC, tagged "exploit" by a source, unverified
  • gist.github.com https://gist.github.com/mhaskar/ebe6b74c32fd0f7e1eedf1aabfd44129 referenced PoC, tagged "exploit" by a source, unverified
  • drive.google.com https://drive.google.com/file/d/1A8hxTyk_NgSp04zPX-23nPbsSDeyDFio/view referenced PoC, tagged "exploit" by a source, unverified
  • shells.systems https://shells.systems/cacti-v1-2-8-authenticated-remote-code-execution-cve-2020-8813/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.