Vulnerability in Bitrix24

CVE-2023-1719

Global variable extraction in bitrix/modules/main/tools.php in Bitrix24 22.0.300 allows unauthenticated remote attackers to (1) enumerate attachments on the server and (2) execute arbitrary JavaScript code in the victim's browser, and possibly execute arbitrary PHP code on the server if the victim has administrator privilege, via overwriting uninitialised variables.

Vulnerability class: Dirty Pipe (CVE-2022-0847)

EPSS: 0.050 (91.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-1719?
CVE-2023-1719 is a high-severity vulnerability in Bitrix24, classified under Improper Initialization. CVSS score: 7.5/10. Published 2023-11-01.
How severe is CVE-2023-1719?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2023-1719 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.