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Fencer Vulns
critical 9.0

CVE-2020-11800 json

Zabbix Server 2.2.x and 3.0.x before 3.0.31, and 3.2 allows remote attackers to execute arbitrary code.

published 2020-10-07 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-4142

cvss
9.0
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
9.2%
EPSS 9.2% chance of exploitation in 30 days, percentile 95%
public exploits
0
none known

Summary

Zabbix Server 2.2.x and 3.0.x before 3.0.31, and 3.2 allows remote attackers to execute arbitrary code.

Patch / fix

  • zabbix zabbix 3.0.31
  • zabbix Debian 14, Debian 13, Debian 12 1:4.0.0+dfsg-1

debian advisories DEBIAN-CVE-2020-11800

  • zabbix Ubuntu Pro 14.04 LTS 1:2.2.2+dfsg-1ubuntu1+esm3
  • zabbix Ubuntu Pro 16.04 LTS 1:2.4.7+dfsg-2ubuntu2.1+esm2
  • zabbix Ubuntu Pro 18.04 LTS 1:3.0.12+dfsg-1ubuntu0.1~esm2

ubuntu advisories UBUNTU-CVE-2020-11800

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • zabbix Package Hub 15 SP2, Package Hub 15 SP1, openSUSE Leap 15.2 +1 more 3.0.31-bp152.2.3.1

opensuse advisories openSUSE-SU-2020:1604-1

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-2020-11800 updated cvss 8.3

zabbix: allows remote attackers to execute arbitrary code

  • 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

Exploit prediction

9.19% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.0 9.0 CVSS:3.0/AC:H/AV:N/A:H/C:H/I:H/PR:N/S:C/UI:N
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.0 9.0 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

References

Sources

Fencer Vulns 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.