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CVE-2011-0355

24
FAUCET Score

CVE-2011-0355 describes a denial-of-service vulnerability in Cisco Nexus 1000V Virtual Ethernet Module (VEM) versions 4.0(4) SV1(1) through SV1(3b), as integrated into VMware ESX and ESXi 4.0 and 4.1. An attacker can crash the host OS by sending a specially crafted 802.1Q tagged packet over an access vEthernet port due to improper handling of dropped packets. This vulnerability has a CVSS score of 7.8 (High), indicating a network-based attack with low complexity, requiring no authentication, and leading to a complete loss of availability. There is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage regarding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
4.0\(4\)CPE matchmatch criteria
cpe:2.3:a:cisco:1000v_virtual_ethernet_module_\(vem\):4.0\(4\):sv1\(1\):*:*:*:*:*:*
4.0\(4\)CPE matchmatch criteria
cpe:2.3:a:cisco:1000v_virtual_ethernet_module_\(vem\):4.0\(4\):sv1\(2\):*:*:*:*:*:*
4.0\(4\)CPE matchmatch criteria
cpe:2.3:a:cisco:1000v_virtual_ethernet_module_\(vem\):4.0\(4\):sv1\(3\):*:*:*:*:*:*
4.0\(4\)CPE matchmatch criteria
cpe:2.3:a:cisco:1000v_virtual_ethernet_module_\(vem\):4.0\(4\):sv1\(3a\):*:*:*:*:*:*
4.0\(4\)CPE matchmatch criteria
cpe:2.3:a:cisco:1000v_virtual_ethernet_module_\(vem\):4.0\(4\):sv1\(3b\):*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.8HIGH

AV:N/AC:L/Au:N/C:N/I:N/A:C

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.98%
Probability of exploitation in next 30 days
EPSS Percentile
78.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0198 is in the 62nd percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

vmwarevendor investigatingvia nvd_reference
View patch

References

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