How severe is CVE-2012-6339?

CVE-2012-6339 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2012-6339 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-2012-6339?

CVE-2012-6339 primarily affects Cerberusftp Ftp Server. In total, 132 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-6339?

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

When was CVE-2012-6339 published?

CVE-2012-6339 was published on 2012-12-31 and last updated on 2026-06-16.

CVE-2012-6339

CVE-2012-6339 is a medium-severity vulnerability in Cerberusftp Ftp Server with a CVSS 2.0 base score of 4.3. 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-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Cerberusftp Ftp Server
Published: 2012-12-31
Last modified: 2026-06-16

Description

Multiple cross-site scripting (XSS) vulnerabilities in the administrative web interface in Cerberus FTP Server before 5.0.6.0 allow (1) remote attackers to inject arbitrary web script or HTML via a log entry that is not properly handled within the Log Manager component, and might allow (2) remote authenticated administrators to inject arbitrary web script or HTML via a Messages field to the servermanager program.

Frequently asked questions

What is CVE-2012-6339?: Multiple cross-site scripting (XSS) vulnerabilities in the administrative web interface in Cerberus FTP Server before 5.0.6.0 allow (1) remote attackers to inject arbitrary web script or HTML via a log entry that is not properly handled within the Log Manager component, and might allow (2) remote authenticated administrators to inject arbitrary web script or HTML via a Messages field to the servermanager program.
How severe is CVE-2012-6339?: CVE-2012-6339 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2012-6339 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-2012-6339?: CVE-2012-6339 primarily affects Cerberusftp Ftp Server. In total, 132 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-6339?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-6339 published?: CVE-2012-6339 was published on 2012-12-31 and last updated on 2026-06-16.

References

Affected products (132)

cpe:2.3:a:cerberusftp:ftp_server:*:*:*:*:*:*:*:*
cpe:2.3:a:cerberusftp:ftp_server:1.0:-:*:*:*:*:*:*
cpe:2.3:a:cerberusftp:ftp_server:1.01:*:*:*:*:*:*:*
cpe:2.3:a:cerberusftp:ftp_server:1.1:*:*:*:*:*:*:*
cpe:2.3:a:cerberusftp:ftp_server:1.2:*:*:*:*:*:*:*
cpe:2.3:a:cerberusftp:ftp_server:1.02:*:*:*:*:*:*:*
cpe:2.3:a:cerberusftp:ftp_server:1.03:*:*:*:*:*:*:*
cpe:2.3:a:cerberusftp:ftp_server:1.5:*:*:*:*:*:*:*
cpe:2.3:a:cerberusftp:ftp_server:1.05:*:*:*:*:*:*:*
cpe:2.3:a:cerberusftp:ftp_server:1.6:beta:*:*:*:*:*:*
cpe:2.3:a:cerberusftp:ftp_server:1.7:*:*:*:*:*:*:*
cpe:2.3:a:cerberusftp:ftp_server:1.22:*:*:*:*:*:*:*
cpe:2.3:a:cerberusftp:ftp_server:1.71:*:*:*:*:*:*:*
cpe:2.3:a:cerberusftp:ftp_server:2.0:*:*:*:*:*:*:*
cpe:2.3:a:cerberusftp:ftp_server:2.0:beta1:*:*:*:*:*:*
cpe:2.3:a:cerberusftp:ftp_server:2.0:beta2:*:*:*:*:*:*
cpe:2.3:a:cerberusftp:ftp_server:2.0:beta3:*:*:*:*:*:*
cpe:2.3:a:cerberusftp:ftp_server:2.0:beta4:*:*:*:*:*:*
cpe:2.3:a:cerberusftp:ftp_server:2.1:*:*:*:*:*:*:*
cpe:2.3:a:cerberusftp:ftp_server:2.01:*:*:*:*:*:*:*
cpe:2.3:a:cerberusftp:ftp_server:2.02:*:*:*:*:*:*:*
cpe:2.3:a:cerberusftp:ftp_server:2.2:*:*:*:*:*:*:*
cpe:2.3:a:cerberusftp:ftp_server:2.02:beta:*:*:*:*:*:*
cpe:2.3:a:cerberusftp:ftp_server:2.2:beta1:*:*:*:*:*:*
cpe:2.3:a:cerberusftp:ftp_server:2.2:beta2:*:*:*:*:*:*
cpe:2.3:a:cerberusftp:ftp_server:2.2:beta3:*:*:*:*:*:*
cpe:2.3:a:cerberusftp:ftp_server:2.3:*:*:*:*:*:*:*
cpe:2.3:a:cerberusftp:ftp_server:2.4:*:*:*:*:*:*:*
cpe:2.3:a:cerberusftp:ftp_server:2.4:beta1:*:*:*:*:*:*
cpe:2.3:a:cerberusftp:ftp_server:2.4:beta2:*:*:*:*:*:*
cpe:2.3:a:cerberusftp:ftp_server:2.4:beta3:*:*:*:*:*:*
cpe:2.3:a:cerberusftp:ftp_server:2.11:*:*:*:*:*:*:*
cpe:2.3:a:cerberusftp:ftp_server:2.11:beta:*:*:*:*:*:*
cpe:2.3:a:cerberusftp:ftp_server:2.11:beta2:*:*:*:*:*:*
cpe:2.3:a:cerberusftp:ftp_server:2.15:*:*:*:*:*:*:*
cpe:2.3:a:cerberusftp:ftp_server:2.15:beta:*:*:*:*:*:*
cpe:2.3:a:cerberusftp:ftp_server:2.16:*:*:*:*:*:*:*
cpe:2.3:a:cerberusftp:ftp_server:2.21:*:*:*:*:*:*:*
cpe:2.3:a:cerberusftp:ftp_server:2.22:*:*:*:*:*:*:*
cpe:2.3:a:cerberusftp:ftp_server:2.23:beta:*:*:*:*:*:*

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