CVE-2021-26994 Denial of service in Clustered Data ONTAP

What is CVE-2021-26994?

CVE-2021-26994 is a medium-severity denial of service vulnerability in Netapp Clustered Data Ontap, published on 4 Jun 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Clustered Data ONTAP versions prior to 9.7P13 and 9.8P3 are susceptible to a vulnerability which could allow single workloads to cause a Denial of Service (DoS) on a cluster node.

Which versions are affected by CVE-2021-26994?

It affects 1 product.

Products include Netapp Clustered Data Ontap.

How do I fix CVE-2021-26994?

No fix has been published for CVE-2021-26994 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-2021-26994 being exploited?

There is no known exploitation of CVE-2021-26994 in the wild and no public exploit code.

Other vulnerabilities in Netapp Clustered Data Ontap

• CVE-2015-7853 Integer overflow in n/a Critical 9.8
• CVE-2017-9119 Denial of service in n/a Critical 9.8
• CVE-2016-7480 Deserialization in PHP before 7.0.12 Critical 9.8
• CVE-2017-5340 Integer overflow in n/a Critical 9.8
• CVE-2017-11147 Information disclosure in n/a Critical 9.1

All Netapp Clustered Data Ontap vulnerabilities

Sources

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

Also known as GHSA-4r52-wvcw-74vw.