CVE-2019-4540: High severity ibm security directory server vulnerability

Published Feb 3, 2020
·
Updated

IBM Security Directory Server 6.4.0 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 165813.

Other sources

IBM Security Directory Server uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information.

Affected Software

2 affected components
IBM Security Directory Server>=6.4.0.0<6.4.0.20
IBM Security Directory Server<=6.4.0

Event History

Feb 3, 2020
CVE Published
via IBM·12:00 AM
Feb 4, 2020
CVE Published
via MITRE·04:45 PM
Data Sourced
via MITRE·04:45 PM
DescriptionSeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is CVE-2019-4540?

CVE-2019-4540 is a vulnerability in IBM Security Directory Server 6.4.0 that uses weaker than expected cryptographic algorithms, potentially allowing an attacker to decrypt sensitive information.

2

How does CVE-2019-4540 impact IBM Security Directory Server?

CVE-2019-4540 impacts IBM Security Directory Server 6.4.0 by using weaker cryptographic algorithms, which can potentially lead to the decryption of highly sensitive information.

3

What is the severity of CVE-2019-4540?

CVE-2019-4540 has a severity rating of 7.5 (High).

4

What software versions are affected by CVE-2019-4540?

IBM Security Directory Server versions up to and including 6.4.0 are affected by CVE-2019-4540.

5

How can I mitigate CVE-2019-4540 in IBM Security Directory Server?

To mitigate CVE-2019-4540 in IBM Security Directory Server, update to a version that uses stronger cryptographic algorithms and follow the recommendations provided by IBM.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203