How severe is CVE-2021-3027?

CVE-2021-3027 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-3027 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-3027?

CVE-2021-3027 affects Librit Passhport. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-3027?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-3027 published?

CVE-2021-3027 was published on 2021-03-26 and last updated on 2026-06-17.

CVE-2021-3027

CVE-2021-3027 is a medium-severity vulnerability in Librit Passhport with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-74.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-74
Affected product: Librit Passhport
Published: 2021-03-26
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-3027?: 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 severe is CVE-2021-3027?: CVE-2021-3027 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-3027 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-3027?: CVE-2021-3027 affects Librit Passhport. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-3027?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-3027 published?: CVE-2021-3027 was published on 2021-03-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:librit:passhport:*:*:*:*:*:*:*:*

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