Is CVE-2016-3125 in the CISA KEV catalog?

No. CVE-2016-3125 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-3125?

CVE-2016-3125 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2016-3125?

CVE-2016-3125 has an EPSS score of 6.98% (93th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2016-3125?

Upgrade proftpd-dfsg on debian 11 to 1.3.5b-1 or later.

CVE & CISA-KEV Catalog

CVE-2016-3125

HIGHEPSS 93th pctl

7.5

CVSS v3

NVD

Description

The mod_tls module in ProFTPD before 1.3.5b and 1.3.6 before 1.3.6rc2 does not properly handle the TLSDHParamFile directive, which might cause a weaker than intended Diffie-Hellman (DH) key to be used and consequently allow attackers to have unspecified impact via unknown vectors.

CWE-254 CWE-310Cryptographic Issues

How to fix

Remediation Available

proftpd-dfsgDebian

Fixed in:1.3.5b-1CVE-2016-3125

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

6.98%probability of exploitation in 30 days

93rdpercentile

High risk: more likely to be exploited than 93% of all known CVEs.

References

Third-Party Advisory3

Issue Tracking1

bugs.proftpd.org

Mailing List2

Release Notes2

Other references2

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.