CVE-2021-25923 Weak cryptography in openemr
OpenEMR fails to enforce maximum password length, allowing attackers to bypass authentication using truncated passwords and take over accounts.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-25923?
CVE-2021-25923 is a high-severity vulnerability in Open-Emr Openemr, published on 24 Jun 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In OpenEMR, versions 5.0.0 to 6.0.0.1 are vulnerable to weak password requirements as it does not enforce a maximum password length limit. If a malicious user is aware of the first 72 characters of the victim user’s password, he can leverage it to an account takeover.
Weakness: CWE-521
Which versions are affected by CVE-2021-25923?
It affects 1 product.
Products include Open-Emr Openemr.
How do I fix CVE-2021-25923?
No fix has been published for CVE-2021-25923 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-25923 being exploited?
There is no known exploitation of CVE-2021-25923 in the wild and no public exploit code.
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- CVE-2026-24849 OpenEMR Arbitrary File Read Vulnerability
- CVE-2026-24908 OpenEMR has SQL Injection in Patient API Sort Parameter
- CVE-2022-2734 Improper Restriction of Rendered UI Layers or Frames in openemr/openemr
- CVE-2024-22611 SQL injection in n/a
Sources
Also known as GHSA-jgj9-5874-x5mv.