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Fencer Vulns
medium 5.3

CVE-2019-15132 json

Zabbix through 4.4.0alpha1 allows User Enumeration.

published 2019-08-17 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-6200

cvss
5.3
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.0%
EPSS 2.0% chance of exploitation in 30 days, percentile 81%
public exploits
0
none known

Summary

Zabbix through 4.4.0alpha1 allows User Enumeration. With login requests, it is possible to enumerate application usernames based on the variability of server responses (e.g., the "Login name or password is incorrect" and "No permissions for system access" messages, or just blocking for a number of seconds). This affects both api_jsonrpc.php and index.php.

Patch / fix

  • zabbix Debian 14, Debian 13, Debian 12 1:5.0.7+dfsg-1

debian advisories DEBIAN-CVE-2019-15132

  • zabbix Ubuntu Pro 14.04 LTS 1:2.2.2+dfsg-1ubuntu1+esm4
  • zabbix Ubuntu Pro 16.04 LTS 1:2.4.7+dfsg-2ubuntu2.1+esm3
  • zabbix Ubuntu Pro 18.04 LTS 1:3.0.12+dfsg-1ubuntu0.1~esm3
  • zabbix Ubuntu Pro 20.04 LTS 1:4.0.17+dfsg-1ubuntu0.1~esm1

ubuntu advisories UBUNTU-CVE-2019-15132

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

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-2019-15132 updated cvss 5.3

zabbix: information disclosure in api_jsonrpc.php and index.php

  • 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

2.03% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness

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.