Citrix ShareFile before 19.23 allows a downgrade from two-factor authentication to…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
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).
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-7218
- 2026-10-03 Alias added: GHSA-qqgh-6pjq-jp6c
References
Exploit 1
More Citrix Sharefile vulnerabilities
- TI-2019-05113 Citrix ShareFile before 19.12 allows User Enumeration. CVSS 3.0HIGH 7.5
Sources
- CVE-2019-7218 · CVE Program
- CVE-2019-7218 · NVD
- FIRST EPSS
- GHSA-qqgh-6pjq-jp6c · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences