CVE-2011-0355

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2011-02-17 · updated 2026-06-16
Weakness: CWE-399

Description

Cisco Nexus 1000V Virtual Ethernet Module (VEM) 4.0(4) SV1(1) through SV1(3b), as used in VMware ESX 4.0 and 4.1 and ESXi 4.0 and 4.1, does not properly handle dropped packets, which allows guest OS users to cause a denial of service (ESX or ESXi host OS crash) by sending an 802.1Q tagged packet over an access vEthernet port, aka Cisco Bug ID CSCtj17451.

Affected products

Cisco 1000V Virtual Ethernet Module (Vem): 4.0(4)-sv1(1), 4.0(4)-sv1(2), 4.0(4)-sv1(3), 4.0(4)-sv1(3a), 4.0(4)-sv1(3b)
VMware ESX: 4.0, 4.1
VMware ESXi: 4.0, 4.1

References

http://lists.vmware.com/pipermail/security-announce/2011/000118.html
http://secunia.com/advisories/43084
http://securityreason.com/securityalert/8090
http://securitytracker.com/id?1025030
http://www.cisco.com/en/US/docs/switches/datacenter/nexus1000/sw/4_0_4_s_v_1_3_c/release/notes/n1000v_rn.html
http://www.osvdb.org/70837
http://www.securityfocus.com/archive/1/516259/100/0/threaded
http://www.securityfocus.com/bid/46247
http://www.vmware.com/security/advisories/VMSA-2011-0002.html
http://www.vupen.com/english/advisories/2011/0314
http://www.vupen.com/english/advisories/2011/0315
https://exchange.xforce.ibmcloud.com/vulnerabilities/65217

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