Read the docs
TI-2023-01613 Aliases CVE-2023-1719GHSA-cvvq-2x6w-g26j

Bitrix24 Insecure Global Variable Extraction

Priority HIGH 81CWE-665Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.06262 93rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Bitrix24Bitrix24up to 22.0.300—No fix listedCNA
  • Bitrix24 VendorBitrix24 Affected up to 22.0.300 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:bitrix24:bitrix24:22.0.300:*:*:*:*:*:*:*22.0.300VulnerableBitrix24
  • cpe:2.3:a:bitrix24:bitrix24:22.0.300:*:*:*:*:*:*:* Versions 22.0.300 Vulnerable ·Bitrix24

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-1719
  2. 2026-10-03 Alias added: GHSA-cvvq-2x6w-g26j

References

  • TI-2023-01614 Bitrix24 Stored Cross-Site Scripting (XSS) via File Upload CVSS 3.1CRITICAL 9.6
  • TI-2023-01611 Bitrix24 Cross-Site Scripting (XSS) via Client-side Prototype Pollution CVSS 3.1CRITICAL 9.6
  • TI-2023-01608 Bitrix24 Remote Command Execution (RCE) via Unsafe Variable Extraction CVSS 3.1HIGH 8.8
  • TI-2023-01607 Bitrix24 Remote Command Execution (RCE) via Insecure Temporary File Creation CVSS 3.1HIGH 8.8
  • TI-2023-01612 Bitrix24 Denial-of-Service (DoS) via Improper File Stream Access CVSS 3.1HIGH 7.5
  • TI-2024-23125 Insufficiently protected credentials in DAV server settings in 1C-Bitrix Bitrix24… CVSS 3.1MEDIUM 6.8
See all 16 →

Sources