CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:N/I:N/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
79.3%
A flaw was found in multiple versions of OpenvSwitch. Specially crafted LLDP packets can cause memory to be lost when allocating data to handle specific optional TLVs, potentially causing a denial of service. The highest threat from this vulnerability is to system availability.
Vendor | Product | Version | CPE |
---|---|---|---|
lldpd_project | lldpd | * | cpe:2.3:a:lldpd_project:lldpd:*:*:*:*:*:*:*:* |
openvswitch | openvswitch | * | cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:* |
redhat | openshift_container_platform | 4.0 | cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:* |
redhat | openstack | 10 | cpe:2.3:a:redhat:openstack:10:*:*:*:*:*:*:* |
redhat | openstack | 13 | cpe:2.3:a:redhat:openstack:13:*:*:*:*:*:*:* |
redhat | virtualization | 4.0 | cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:* |
redhat | enterprise_linux | 7.0 | cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* |
redhat | enterprise_linux | 8.0 | cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* |
fedoraproject | fedora | 33 | cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* |
siemens | simatic_hmi_unified_comfort_panels_firmware | * | cpe:2.3:o:siemens:simatic_hmi_unified_comfort_panels_firmware:*:*:*:*:*:*:*:* |
bugzilla.redhat.com/show_bug.cgi?id=1921438
cert-portal.siemens.com/productcert/pdf/ssa-941426.pdf
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3T5XHPOGIPWCRRPJUE6P3HVC5PTSD5JS/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JYA4AMJXCNF6UPFG36L2TPPT32C242SP/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SKQWHG2SZJZSGC7PXVDAEJYBN7ESDR7D/
mail.openvswitch.org/pipermail/ovs-dev/2021-January/379471.html
security.gentoo.org/glsa/202311-16
us-cert.cisa.gov/ics/advisories/icsa-21-194-07
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:N/I:N/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
79.3%