PatchTheCVECVE-2021-3027: app/views_mod/user/user.py in LibrIT PaSSHport through 2.5 is affected by LDAP Injection
CVE-2021-3027 is a medium-severity flaw (CVSS 6.5) affecting passhport. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
app/views_mod/user/user.py in LibrIT PaSSHport through 2.5 is affected by LDAP Injection. There is an information leak through the crafting of special queries, escaping the provided search filter because user input gets no sanitization.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.5 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 1.2% (top 33%) |
| CISA exploited list | No |
| Weakness | CWE-74 |
| Published | 2021-03-26 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2021-3027?
passhport: upgrade to newer than 2.5. Exact commands for each OS are on this page.
Is CVE-2021-3027 being exploited?
CVE-2021-3027 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2021-3027 affect?
CVE-2021-3027 affects passhport. Severity is medium (CVSS 6.5). app/views_mod/user/user.py in LibrIT PaSSHport through 2.5 is affected by LDAP Injection. There is an information leak through the crafting of special queries, escaping the provided search filter because user input gets no sanitization.
How urgent is CVE-2021-3027?
Priority 40/100. No elevated risk signals yet.