CVE-2021-3131

7.5 highEPSS 1.0%

High (7.5) in 1c 1c\. EPSS 1.0% chance of exploitation in the next 30 days.

The Web server in 1C:Enterprise 8 before 8.3.17.1851 sends base64 encoded credentials in the creds URL parameter.

Severity

7.5 high

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

EPSS: 1.0% chance of exploitation in the next 30 days; higher than 62% of CVEs (scores of 2026-10-31)
CWE: CWE-326
Published: 2021-01-13
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19