CVE-2021-3499

MediumCVSS 5.6/10Last modified Jun 17, 2026

Description

A vulnerability was found in OVN Kubernetes in versions up to and including 0.3.0 where the Egress Firewall does not reliably apply firewall rules when there is multiple DNS rules. It could lead to potentially lose of confidentiality, integrity or availability of a service.

Metrics

CVSS 3.1 5.6/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Jun 2, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-349918.8This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6400v2 1.0.4.106_10.0.8CVE-2021-349928.8This vulnerability allows remote attackers to execute arbitrary code on affected installations of Orckestra C1 CMS 6.10. Authentication is rCVE-2021-349939.8This vulnerability allows remote attackers to bypass authentication on affected installations of Commvault CommCell 11.22.22. AuthenticationCVE-2021-349948.8This vulnerability allows remote attackers to execute arbitrary code on affected installations of Commvault CommCell 11.22.22. Although authCVE-2021-349958.8This vulnerability allows remote attackers to execute arbitrary code on affected installations of Commvault CommCell 11.22.22. Although authCVE-2021-349968.8This vulnerability allows remote attackers to execute arbitrary code on affected installations of Commvault CommCell 11.22.22. Although authCVE-2021-349978.8This vulnerability allows remote attackers to execute arbitrary code on affected installations of Commvault CommCell 11.22.22. Although authCVE-2021-349987.8This vulnerability allows local attackers to escalate privileges on affected installations of Panda Security Free Antivirus 20.2.0.0. An attCVE-2021-349995.5OpenBSD Kernel Multicast Routing Uninitialized Memory Information Disclosure Vulnerability. This vulnerability allows local attackers to disCVE-2021-35007.8A flaw was found in djvulibre-3.5.28 and earlier. A Stack overflow in function DJVU::DjVuDocument::get_djvu_file() via crafted djvu file mayCVE-2021-350003.3OpenBSD Kernel Multicast Routing Uninitialized Memory Information Disclosure Vulnerability. This vulnerability allows local attackers to disCVE-2021-350016.5BMC Track-It! GetData Missing Authorization Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sen
CVE-2021-3499: Medium severity, CVSS 5.6 | Vulnix