Is CVE-2015-0138 being actively exploited?

CVE-2015-0138 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2015-0138?

CVE-2015-0138 has a CVSS 2.0 base score of 4.3 (MEDIUM).

CVE-2015-0138

MEDIUM · CVSS 4.3EPSS 2.8%EU EUVD

GSKit in IBM Tivoli Directory Server (ITDS) 6.0 before 6.0.0.73-ISS-ITDS-IF0073, 6.1 before 6.1.0.66-ISS-ITDS-IF0066, 6.2 before 6.2.0.42-ISS-ITDS-IF0042, and 6.3 before 6.3.0.35-ISS-ITDS-IF0035 and IBM Security Directory Server (ISDS) 6.3.1 before 6.3.1.9-ISS-ISDS-IF0009 does not properly restrict TLS state transitions, which makes it easier for remote attackers to conduct cipher-downgrade attacks to EXPORT_RSA ciphers via crafted TLS traffic, related to the "FREAK" issue, a different vulnerability than CVE-2015-0204.

Key facts

CVSS score: 4.3 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness (CWE): CWE-310
EPSS score: 2.8% (86th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2015-0176)
Published: March 25, 2015
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2015-0176 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

ibm / tivoli directory server
ibm / tivoli directory server
ibm / tivoli directory server
ibm / tivoli directory server
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ibm / tivoli directory server
ibm / tivoli directory server
ibm / tivoli directory server
ibm / tivoli directory server
ibm / tivoli directory server
ibm / tivoli directory server

and 90 more…

Certified products that may be affected

4 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

IBM Tivoli Directory Server Version 6.3 - IBM Corporation - Common Criteria BSI-DSZ-CC-0806-2013 - archived
IBM Tivoli Directory Server Version 6.2 - IBM Corporation - Common Criteria BSI-DSZ-CC-0535-2009 - archived
IBM Tivoli Directory Server version 6.1 - IBM Informationssysteme Deutschland GmbH - Common Criteria BSI-DSZ-CC-0428-2008 - archived
IBM Tivoli Directory Server Version 6.0 Fix Pack 1, Interim Fix 5 - IBM Corporation - Common Criteria BSI-DSZ-CC-0283-2006 - archived

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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