How severe is CVE-2024-34891?

CVE-2024-34891 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2024-34891 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-34891?

CVE-2024-34891 affects Bitrix24. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-34891?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-34891 have an EU (EUVD) identifier?

Yes. CVE-2024-34891 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-35103.

When was CVE-2024-34891 published?

CVE-2024-34891 was published on 2024-11-04 and last updated on 2026-07-05.

CVE-2024-34891

CVE-2024-34891 is a medium-severity vulnerability in Bitrix24 with a CVSS 3.x base score of 6.8. 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-312.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-35103
Weakness: CWE-312
Affected product: Bitrix24
Published: 2024-11-04
Last modified: 2026-07-05

Description

Insufficiently protected credentials in DAV server settings in 1C-Bitrix Bitrix24 23.300.100 allows remote administrators to read Exchange account passwords via HTTP GET request.

Frequently asked questions

What is CVE-2024-34891?: Insufficiently protected credentials in DAV server settings in 1C-Bitrix Bitrix24 23.300.100 allows remote administrators to read Exchange account passwords via HTTP GET request.
How severe is CVE-2024-34891?: CVE-2024-34891 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2024-34891 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-34891?: CVE-2024-34891 affects Bitrix24. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-34891?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-34891 have an EU (EUVD) identifier?: Yes. CVE-2024-34891 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-35103.
When was CVE-2024-34891 published?: CVE-2024-34891 was published on 2024-11-04 and last updated on 2026-07-05.

References

https://github.com/DrieVlad/BitrixVulns

EU advisories (EUVD)

http://bitrix24.com

Affected products (1)

cpe:2.3:a:bitrix24:bitrix24:23.300.100:*:*:*:*:*:*:*

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