CVE-2021-3027

Name: CVE-2021-3027
Creator: NVD / NIST
Published: 2021-03-26T03:16:40.647+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 1.17%

Last modified Jun 17, 2026

CVE-2021-3027 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 1.17% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

1.17%

63.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-74

Affected Software

Vendor	Product	Versions
Librit	Passhport	<= 2.5

References

https://github.com/LibrIT/passhport/commit/366b03f607729c4538e91b634ecc57c8398522a1Patch, Third Party Advisory
https://github.com/LibrIT/passhport/pull/562Patch, Third Party Advisory
https://jorgectf.gitlab.io/disclosure/cve-2021-3027/Third Party Advisory
https://github.com/LibrIT/passhport/commit/366b03f607729c4538e91b634ecc57c8398522a1Patch, Third Party Advisory
https://github.com/LibrIT/passhport/pull/562Patch, Third Party Advisory
https://jorgectf.gitlab.io/disclosure/cve-2021-3027/Third Party Advisory

Timeline

Published: Mar 26, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-3027?

How severe is CVE-2021-3027?

CVE-2021-3027 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.17% probability of exploitation in the next 30 days.

How do I fix CVE-2021-3027?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-3027?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST