CVE-2011-0355
HIGH · CVSS 7.8EPSS 2.0%EU EUVD
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.
Key facts
- CVSS score
- 7.8 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:C- Weakness (CWE)
- CWE-399
- EPSS score
- 2.0% (81th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2011-0381)
- Published
- February 17, 2011
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2011-0381 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- cisco / 1000v virtual ethernet module (vem)
- cisco / 1000v virtual ethernet module (vem)
- cisco / 1000v virtual ethernet module (vem)
- cisco / 1000v virtual ethernet module (vem)
- cisco / 1000v virtual ethernet module (vem)
- vmware / esx
- vmware / esx
- vmware / esxi
- vmware / esxi
References
- http://lists.vmware.com/pipermail/security-announce/2011/000118.html
- http://secunia.com/advisories/43084(Vendor Advisory)
- 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(Vendor Advisory)
- http://www.vupen.com/english/advisories/2011/0314(Vendor Advisory)
- http://www.vupen.com/english/advisories/2011/0315(Vendor Advisory)
- https://exchange.xforce.ibmcloud.com/vulnerabilities/65217
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
Query CVEs from your AI assistant
The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.
Add the CVE brain