How severe is CVE-2024-51739?

CVE-2024-51739 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2024-51739 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-51739?

CVE-2024-51739 affects Combodo Itop. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-51739?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-51739 have an EU (EUVD) identifier?

Yes. CVE-2024-51739 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-45521.

When was CVE-2024-51739 published?

CVE-2024-51739 was published on 2024-11-05 and last updated on 2026-06-17.

CVE-2024-51739

CVE-2024-51739 is a high-severity vulnerability in Combodo Itop with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-203.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-45521
Weakness: CWE-203
Affected product: Combodo Itop
Published: 2024-11-05
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2024-51739?: 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.
How severe is CVE-2024-51739?: CVE-2024-51739 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2024-51739 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-51739?: CVE-2024-51739 affects Combodo Itop. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-51739?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-51739 have an EU (EUVD) identifier?: Yes. CVE-2024-51739 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-45521.
When was CVE-2024-51739 published?: CVE-2024-51739 was published on 2024-11-05 and last updated on 2026-06-17.

References

https://github.com/Combodo/iTop/security/advisories/GHSA-2hmf-p27w-phf9

Affected products (1)

cpe:2.3:a:combodo:itop:*:*:*:*:*:*:*:*

More vulnerabilities in Combodo Itop

CVE-2023-48710 — Critical (CVSS 9.8): iTop is an IT service management platform. Files from the `env-production` folder can be retrieved even though they…
CVE-2022-39214 — Critical (CVSS 9.6): Combodo iTop is an open source, web-based IT service management platform. Prior to versions 2.7.8 and 3.0.2-1, a user…
CVE-2021-41162 — Critical (CVSS 9.3): Combodo iTop is a web based IT Service Management tool. In 3.0.0 beta releases prior to beta6 the…
CVE-2021-41161 — Critical (CVSS 9.3): Combodo iTop is a web based IT Service Management tool. In versions prior to 3.0.0-beta6 the export CSV page don't…
CVE-2025-48065 — High (CVSS 8.8): Combodo iTop is a web based IT service management tool. Versions prior to 2.7.13 and 3.2.2 are vulnerable to cross-site…
CVE-2025-47932 — High (CVSS 8.8): Combodo iTop is a web based IT service management tool. Versions prior to 2.7.13 and 3.2.2 are vulnerable to cross-site…

All CVEs affecting Combodo Itop →

Other CWE-203 (Observable Discrepancy) vulnerabilities

CVE-2019-25337 — Critical (CVSS 9.8): OwnCloud 8.1.8 contains a username enumeration vulnerability that allows remote attackers to discover user accounts by…
CVE-2026-23519 — Critical (CVSS 9.8): RustCrypto CMOV provides conditional move CPU intrinsics which are guaranteed on major platforms to execute in…
CVE-2025-27667 — Critical (CVSS 9.8): Vasion Print (formerly PrinterLogic) before Virtual Appliance Host 22.0.843 Application 20.0.1923 allows Administrative…
CVE-2024-25714 — Critical (CVSS 9.8): In Rhonabwy through 1.1.13, HMAC signature verification uses a strcmp function that is vulnerable to side-channel…
CVE-2024-25191 — Critical (CVSS 9.8): php-jwt 1.0.0 uses strcmp (which is not constant time) to verify authentication, which makes it easier to bypass…
CVE-2024-25190 — Critical (CVSS 9.8): l8w8jwt 2.2.1 uses memcmp (which is not constant time) to verify authentication, which makes it easier to bypass…

Browse all CWE-203 (Observable Discrepancy) vulnerabilities →