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CVE-2024-51739: Combodo iTop is a simple, web based IT Service Management tool

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HIGH 7.5REMOTEUPGRADE

CVE-2024-51739 is a high-severity flaw (CVSS 7.5) affecting itop. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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-Wron

Why this priority

  • High severity
  • Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score7.5 (High)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance1.2% (top 31%)
CISA exploited listNo
WeaknessCWE-200, CWE-203
Published2024-11-05
Last modified2026-06-17
Publisher (CNA): GitHub, Inc. · Vendor: combodo

Share: LinkedIn · X · Reddit

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

combodo itop UPGRADE
Affected: < 2.7.11 · >= 3.0.0 and < 3.0.5 · >= 3.1.0 and < 3.1.2
Fixed in: 2.7.11, 3.0.5, 3.1.2
Safe to downgrade to: a release before 3.0.0
1. Check installed version
apt-cache policy itop || rpm -q itop || itop --version
2. UPGRADE to 2.7.11 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade itop
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade itop
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
3. If no update is available yet, DOWNGRADE to a release before 3.0.0 (Debian / Ubuntu)
apt-cache madison itop sudo apt install itop=<VERSION_BEFORE_3.0.0> sudo apt-mark hold itop
3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list itop sudo dnf downgrade itop-<VERSION_BEFORE_3.0.0> sudo dnf versionlock add itop
Downgrade risk
Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.
After downgrade
Restart the service, and keep the package held until a fixed release ships.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-51739?

itop: upgrade to 2.7.11, 3.0.5, 3.1.2. Exact commands for each OS are on this page.

Is CVE-2024-51739 being exploited?

CVE-2024-51739 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-51739 affect?

CVE-2024-51739 affects itop. Severity is high (CVSS 7.5). 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 s

How urgent is CVE-2024-51739?

Priority 48/100. High severity; Remotely exploitable, no login, no user action

Related CVEs

References

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