Zabbix up to 6.0.41/7.0.18/7.2.12/7.4.2 Parameter /imgstore.php amplification

Summaryinfo

A vulnerability labeled as problematic has been found in Zabbix up to 6.0.41/7.0.18/7.2.12/7.4.2. Affected by this issue is some unknown functionality of the file /imgstore.php of the component Parameter Handler. The manipulation results in amplification. This vulnerability is known as CVE-2025-49643. Access to the local network is required for this attack. No exploit is available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Zabbix up to 6.0.41/7.0.18/7.2.12/7.4.2. Affected is an unknown part of the file /imgstore.php of the component Parameter Handler. The manipulation with an unknown input leads to a amplification vulnerability. CWE is classifying the issue as CWE-405. The product does not properly control situations in which an adversary can cause the product to consume or produce excessive resources without requiring the adversary to invest equivalent work or otherwise prove authorization, i.e., the adversary's influence is "asymmetric." This is going to have an impact on availability. CVE summarizes:

An authenticated Zabbix user (including Guest) is able to cause disproportionate CPU load on the webserver by sending specially crafted parameters to /imgstore.php, leading to potential denial of service.

The advisory is shared for download at support.zabbix.com. This vulnerability is traded as CVE-2025-49643 since 06/09/2025. The exploitability is told to be easy. The attack needs to be done within the local network. There are known technical details, but no exploit is available.

By approaching the search of inurl:imgstore.php it is possible to find vulnerable targets with Google Hacking. The vulnerability scanner Nessus provides a plugin with the ID 277124 (Linux Distros Unpatched Vulnerability : CVE-2025-49643), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (277124) and EUVD (EUVD-2025-199985). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Network Management Software

Name

• Zabbix

Version

• 6.0.0
• 6.0.1
• 6.0.2
• 6.0.3
• 6.0.4
• 6.0.5
• 6.0.6
• 6.0.7
• 6.0.8
• 6.0.9
• 6.0.10
• 6.0.11
• 6.0.12
• 6.0.13
• 6.0.14
• 6.0.15
• 6.0.16
• 6.0.17
• 6.0.18
• 6.0.19
• 6.0.20
• 6.0.21
• 6.0.22
• 6.0.23
• 6.0.24
• 6.0.25
• 6.0.26
• 6.0.27
• 6.0.28
• 6.0.29
• 6.0.30
• 6.0.31
• 6.0.32
• 6.0.33
• 6.0.34
• 6.0.35
• 6.0.36
• 6.0.37
• 6.0.38
• 6.0.39
• 6.0.40
• 6.0.41
• 7.0.0
• 7.0.1
• 7.0.2
• 7.0.3
• 7.0.4
• 7.0.5
• 7.0.6
• 7.0.7
• 7.0.8
• 7.0.9
• 7.0.10
• 7.0.11
• 7.0.12
• 7.0.13
• 7.0.14
• 7.0.15
• 7.0.16
• 7.0.17
• 7.0.18
• 7.2.0
• 7.2.1
• 7.2.2
• 7.2.3
• 7.2.4
• 7.2.5
• 7.2.6
• 7.2.7
• 7.2.8
• 7.2.9
• 7.2.10
• 7.2.11
• 7.2.12
• 7.4.0
• 7.4.1
• 7.4.2

License

• open-source

CPE 2.3info

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CPE 2.2info

• 🔒
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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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