5.7

CVE-2023-29456: zabbix frontend Improper Input Validation

CVSS: 5.7v3.1MediumModified
AliasesUBUNTU-CVE-2023-29456DEBIAN-CVE-2023-29456
Published 13-07-2023Last modified 03-11-2025

Vulnerability summary

CVE-2023-29456 is a medium (CVSS 5.7) Improper Input Validation vulnerability in zabbix frontend. EPSS estimates a 0.56% chance of exploitation in the next 30 days, higher than 45.2% of scored vulnerabilities.

Overall risk
23/100
0100
Low · default modelHow is this calculated?
CVSS score
5.7/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.56%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2

Timeline

  1. 13-07-2023
    PublishedVulnerability first disclosed.
  2. 03-11-2025
    Last modifiedVulnerability information updated.

Description

URL validation scheme receives input from a user and then parses it to identify its various components. The validation scheme can ensure that all URL components comply with internet standards.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.56%

Chance of exploitation in the next 30 days

Percentile

45%

Versus all other CVEs

30-day change

0.00 pp

From 0.56% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.56%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Zabbix2 products
  • frontend≥ 4.0.0, ≤ 4.0.46 | ≥ 5.0.0, ≤ 5.0.35 | ≥ 6.0.0, ≤ 6.0.18 | ≥ 6.4.0, ≤ 6.4.3
  • zabbix≥ 4.0.0, ≤ 4.0.46 | ≥ 5.0.0, ≤ 5.0.35 | ≥ 6.0.0, ≤ 6.0.18 | ≥ 6.4.0, ≤ 6.4.3 | 7.0.0alpha1
Debian1 product
  • zabbixAll versions (No fix recorded) | < 1:6.0.23+dfsg-1
Ubuntu1 product
  • zabbixAll versions (No fix recorded)

3 vendors · 4 products

References

6 links