CVE-2025-27238: zabbix Improper Access Control
CVSS: 3.5v3.1LowAnalyzed
AliasesUBUNTU-CVE-2025-27238DEBIAN-CVE-2025-27238
Published 12-09-2025Last modified 15-09-2025
Vulnerability summary
CVE-2025-27238 is a low (CVSS 3.5) Improper Access Control vulnerability in zabbix. EPSS estimates a 0.19% chance of exploitation in the next 30 days, higher than 8.3% of scored vulnerabilities.
CVSS score
3.5/10
010
Low · v3.1 (NVD)EPSS score
0.19%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 12-09-2025PublishedVulnerability first disclosed.
- 15-09-2025Last modifiedVulnerability information updated.
Description
Due to a bug in Zabbix API, the hostprototype.get method lists all host prototypes to users that do not have any user groups assigned to them.
CVSS metrics
6 scores · 4 sources · 2 versionsLow 2.1Preferred score · CVE.org (CNA)
CVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:NSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated2.1LowCVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
- NVDNIST2.1LowCVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Low 3.5Preferred score · NVD (NIST)
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated3.5LowCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- OSV · DebianEcosystem advisory · calculated3.5LowCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS trend
Probability
0.19%
Chance of exploitation in the next 30 days
Percentile
8%
Versus all other CVEs
30-day change
0.00 pp
From 0.19% on 19-09-2026
19-09-202619-10-2026
EPSS score0.19%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- zabbix< 1:7.0.22+dfsg-1~deb13u1 | < 1:7.0.22+dfsg-1
Ubuntu1 product
- zabbixAll versions (No fix recorded)
Zabbix1 product
- zabbix≥ 7.0.0, ≤ 7.0.13 | ≥ 7.2.0, ≤ 7.2.7 | ≥ 7.0.0, < 7.0.14 | ≥ 7.2.0, < 7.2.8
3 vendors · 3 products