How severe is CVE-2014-6387?

CVE-2014-6387 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2014-6387 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-6387?

CVE-2014-6387 primarily affects Mantisbt. In total, 23 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-6387?

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

When was CVE-2014-6387 published?

CVE-2014-6387 was published on 2014-10-22 and last updated on 2026-06-17.

CVE-2014-6387

CVE-2014-6387 is a medium-severity vulnerability in Mantisbt with a CVSS 2.0 base score of 5.0. 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-287.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Mantisbt
Published: 2014-10-22
Last modified: 2026-06-17

Description

gpc_api.php in MantisBT 1.2.17 and earlier allows remote attackers to bypass authenticated via a password starting will a null byte, which triggers an unauthenticated bind.

Frequently asked questions

What is CVE-2014-6387?: gpc_api.php in MantisBT 1.2.17 and earlier allows remote attackers to bypass authenticated via a password starting will a null byte, which triggers an unauthenticated bind.
How severe is CVE-2014-6387?: CVE-2014-6387 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2014-6387 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-6387?: CVE-2014-6387 primarily affects Mantisbt. In total, 23 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-6387?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-6387 published?: CVE-2014-6387 was published on 2014-10-22 and last updated on 2026-06-17.

References

Affected products (23)

cpe:2.3:a:mantisbt:mantisbt:*:*:*:*:*:*:*:*
cpe:2.3:a:mantisbt:mantisbt:1.2.0:*:*:*:*:*:*:*
cpe:2.3:a:mantisbt:mantisbt:1.2.0:alpha1:*:*:*:*:*:*
cpe:2.3:a:mantisbt:mantisbt:1.2.0:alpha2:*:*:*:*:*:*
cpe:2.3:a:mantisbt:mantisbt:1.2.0:alpha3:*:*:*:*:*:*
cpe:2.3:a:mantisbt:mantisbt:1.2.0:rc1:*:*:*:*:*:*
cpe:2.3:a:mantisbt:mantisbt:1.2.0:rc2:*:*:*:*:*:*
cpe:2.3:a:mantisbt:mantisbt:1.2.1:*:*:*:*:*:*:*
cpe:2.3:a:mantisbt:mantisbt:1.2.2:*:*:*:*:*:*:*
cpe:2.3:a:mantisbt:mantisbt:1.2.3:*:*:*:*:*:*:*
cpe:2.3:a:mantisbt:mantisbt:1.2.4:*:*:*:*:*:*:*
cpe:2.3:a:mantisbt:mantisbt:1.2.5:*:*:*:*:*:*:*
cpe:2.3:a:mantisbt:mantisbt:1.2.6:*:*:*:*:*:*:*
cpe:2.3:a:mantisbt:mantisbt:1.2.7:*:*:*:*:*:*:*
cpe:2.3:a:mantisbt:mantisbt:1.2.8:*:*:*:*:*:*:*
cpe:2.3:a:mantisbt:mantisbt:1.2.9:*:*:*:*:*:*:*
cpe:2.3:a:mantisbt:mantisbt:1.2.10:*:*:*:*:*:*:*
cpe:2.3:a:mantisbt:mantisbt:1.2.11:*:*:*:*:*:*:*
cpe:2.3:a:mantisbt:mantisbt:1.2.12:*:*:*:*:*:*:*
cpe:2.3:a:mantisbt:mantisbt:1.2.13:*:*:*:*:*:*:*
cpe:2.3:a:mantisbt:mantisbt:1.2.14:*:*:*:*:*:*:*
cpe:2.3:a:mantisbt:mantisbt:1.2.15:*:*:*:*:*:*:*
cpe:2.3:a:mantisbt:mantisbt:1.2.16:*:*:*:*:*:*:*

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