An information disclosure vulnerability exists in the iConfig proxy request of Zabbix server 2.4.X.

published 2018-04-09 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-11967

cvss: 3.7; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 3.3%; EPSS 3.3% chance of exploitation in 30 days, percentile 88%
public exploits: 0; none known

An information disclosure vulnerability exists in the iConfig proxy request of Zabbix server 2.4.X. A specially crafted iConfig proxy request can cause the Zabbix server to send the configuration information of any Zabbix proxy, resulting in information disclosure. An attacker can make requests from an active Zabbix proxy to trigger this vulnerability.

Patch / fix

distros 1

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

debian advisories DEBIAN-CVE-2017-2826

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-2017-2826 updated 2025-11-21 cvss 3.7

zabbix: Information Disclosure in Zabbix Server Config Proxy Request

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

3.27% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

talosintelligence.com https://talosintelligence.com/vulnerability_reports/TALOS-2017-0327 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.0	3.7	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:P/I:N/A:N

Affected products

Talos Zabbix

Classification

Weakness

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

talosintelligence.com /vulnerability_reports/TALOS-2017-0327
exploit, third-party-advisory
lists.debian.org /debian-lts-announce/2019/03/msg00010.html
mailing-list, third-party-advisory

Sources

CVE List CVE-2017-2826
NVD CVE-2017-2826

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.

Summary