CVE-2020-4412 Denial of service in Spectrum Scale

What is CVE-2020-4412?

CVE-2020-4412 is a medium-severity denial of service vulnerability in Ibm Spectrum Scale, published on 19 May 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Spectrum Scale 4.2.0.0 through 4.2.3.21 and 5.0.0.0 through 5.0.4.3 file system component is affected by a denial of service security vulnerability. An attacker can force the Spectrum Scale mmfsd/mmsdrserv daemons to unexpectedly exit, impacting the functionality of the Spectrum Scale cluster and the availability of file systems managed by Spectrum Scale. IBM X-Force ID: 179987.

Which versions are affected by CVE-2020-4412?

It affects 1 product.

Products include Ibm Spectrum Scale.

How do I fix CVE-2020-4412?

No fix has been published for CVE-2020-4412 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2020-4412 being exploited?

There is no known exploitation of CVE-2020-4412 in the wild and no public exploit code.

Other vulnerabilities in Ibm Spectrum Scale

• CVE-2019-4715 Command injection in Spectrum Scale High 8.8
• CVE-2021-29740 Other in Spectrum Scale High 8.4
• CVE-2019-4558 Privilege escalation in Spectrum Scale High 8.1
• CVE-2020-4217 Denial of service in Spectrum Scale High 7.5
• CVE-2020-4273 Command injection in Spectrum Scale High 7.4

All Ibm Spectrum Scale vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-jjhg-485j-q4rr.