Use After Free in NetApp Clustered Data Ontap
CVE-2021-3516
There's a flaw in libxml2's xmllint in versions before 2.9.11. An attacker who is able to submit a crafted file to be processed by xmllint could trigger a use-after-free. The greatest impact of this flaw is to confidentiality, integrity, and availability.
Vulnerability class: Use-After-Free
EPSS: 0.020 (79.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Netapp Clustered_data_ontap
- Netapp Clustered_data_ontap_antivirus_connector
- Netapp Ontap_select_deploy_administration_utility
- Oracle Zfs_storage_appliance_kit — versions 8.8
- Xmlsoft Xmllint
- Debian Debian_linux — versions 9.0
- Fedoraproject Fedora — versions 33, 34
- Redhat Enterprise_linux — versions 6.0, 7.0, 8.0
- Redhat Jboss_core_services
- N/a Libxml2 — versions libxml2 2.9.11
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_FEDORA, vendor-advisory)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- secalert@redhat.com (Third Party Advisory, x_refsource_MISC, Issue Tracking)
- secalert@redhat.com (x_refsource_FEDORA, vendor-advisory)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (x_refsource_CONFIRM, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-3516?
- CVE-2021-3516 is a high-severity vulnerability in NetApp Clustered Data Ontap, classified under Use After Free. CVSS score: 7.8/10. Published 2021-06-01.
- How severe is CVE-2021-3516?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2021-3516 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.