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CVE-2023-1719

CRITICALCVSS 9.8/10EPSS 4.97%

Last modified

CVE-2023-1719 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 4.97% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
4.97%

91.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Bitrix24Bitrix2422.0.300

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2023-1719?
CVE-2023-1719 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 4.97% probability of exploitation in the next 30 days.
How do I fix CVE-2023-1719?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-1719?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST