Auth bypass in Citrix Sharefile
CVE-2019-7218
Citrix ShareFile before 19.23 allows a downgrade from two-factor authentication to one-factor authentication. An attacker with access to the offline victim's otp physical token or virtual app (like google authenticator) is able to bypass the first authentication phase (username/password mechanism) and log-in using username/otp combination only (phase 2 of 2FA).
Vulnerability class: Broken Authentication
EPSS: 0.012 (65.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Citrix Sharefile
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2019-7218?
- CVE-2019-7218 is a medium-severity vulnerability in Citrix Sharefile, classified under Improper Authentication. CVSS score: 5.9/10. Published 2019-05-13.
- How severe is CVE-2019-7218?
- Medium severity. CVSS v3 base score is 5.9 out of 10.