How severe is CVE-2024-27455?

CVE-2024-27455 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2024-27455 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-27455?

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

Does CVE-2024-27455 have an EU (EUVD) identifier?

Yes. CVE-2024-27455 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-24654.

When was CVE-2024-27455 published?

CVE-2024-27455 was published on 2024-02-26 and last updated on 2026-06-17.

CVE-2024-27455

CVE-2024-27455 is a critical-severity vulnerability with a CVSS 3.x base score of 9.1. 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-488.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-24654
Weakness: CWE-488
Published: 2024-02-26
Last modified: 2026-06-17

Description

In the Bentley ALIM Web application, certain configuration settings can cause exposure of a user's ALIM session token when the user attempts to download files. This is fixed in Assetwise ALIM Web 23.00.04.04 and Assetwise Information Integrity Server 23.00.02.03.

Frequently asked questions

What is CVE-2024-27455?: In the Bentley ALIM Web application, certain configuration settings can cause exposure of a user's ALIM session token when the user attempts to download files. This is fixed in Assetwise ALIM Web 23.00.04.04 and Assetwise Information Integrity Server 23.00.02.03.
How severe is CVE-2024-27455?: CVE-2024-27455 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2024-27455 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-27455?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2024-27455 have an EU (EUVD) identifier?: Yes. CVE-2024-27455 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-24654.
When was CVE-2024-27455 published?: CVE-2024-27455 was published on 2024-02-26 and last updated on 2026-06-17.

References

https://www.bentley.com/advisories/be-2024-0001/

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