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.

What is the severity of CVE-2019-4540?

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

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.

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.

Vulnerability/
CVE-2019-4540

high

7.5

CWE

327

3/2/2020

4/2/2020

16/9/2024

CVE-2019-4540

Q: 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.

First published: Mon Feb 03 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.

Credit: psirt@us.ibm.com

Affected Software	Affected Version	How to fix
IBM Security Directory Server	>=6.4.0.0<6.4.0.20
	<=6.4.0

Remedy

https://www.ibm.com/support/pages/node/1288660

Never miss a vulnerability like this again

Reference Links

Parent vulnerabilities

(Appears in the following advisories)

IBM-1288660

Frequently Asked Questions

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.
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.
What is the severity of CVE-2019-4540?
CVE-2019-4540 has a severity rating of 7.5 (High).
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.
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.

collector/nvd-index
agent/references
agent/type
agent/remedy
agent/weakness
agent/severity
agent/author
agent/description
agent/first-publish-date
agent/softwarecombine
collector/ibm-support
source/IBM
agent/software-canonical-lookup
agent/tags
collector/mitre-cve
source/MITRE
agent/last-modified-date
agent/event
agent/trending
vendor/ibm
canonical/ibm security directory server
version/ibm security directory server/6.4.0.0
version/ibm security directory server/6.4.0

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