What is CVE-2023-49949?

CVE-2023-49949 is a high-severity vulnerability in Passwork, classified under Incorrect Authorization. CVSS score: 8.1/10. Published 2023-12-26.

How severe is CVE-2023-49949?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in Passwork

CVE-2023-49949

Passwork before 6.2.0 allows remote authenticated users to bypass 2FA by sending all one million of the possible 6-digit codes.

Vulnerability class: Broken Access Control

Published 2023-12-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.006 (48.3th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Passwork

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

passwork.ru/ (Product)
acribia.ru/articles/2fa_bypass_passwork (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-49949?: CVE-2023-49949 is a high-severity vulnerability in Passwork, classified under Incorrect Authorization. CVSS score: 8.1/10. Published 2023-12-26.
How severe is CVE-2023-49949?: High severity. CVSS v3 base score is 8.1 out of 10.