CVE-2019-4540 Weak cryptography in Security Directory Server

Medium 5.9 Published Updated

Weak cryptographic algorithms in IBM Security Directory Server allow attackers to decrypt highly sensitive information.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2019-4540?

CVE-2019-4540 is a medium-severity vulnerability in IBM Security Directory Server, published on 4 Feb 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-327

Which versions are affected by CVE-2019-4540?

It affects 1 product.

Products include Ibm Security Directory Server.

How do I fix CVE-2019-4540?

No fix has been published for CVE-2019-4540 yet. Limit exposure of the affected software until one is available.

Is CVE-2019-4540 being exploited?

There is no known exploitation of CVE-2019-4540 in the wild and no public exploit code.

Sources

Also known as GHSA-ch9g-c5wp-jf2p.

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