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
Published Feb 17, 2011
7.8
HIGHCVSS 2.0
EPSS 1.98%
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
No data.
- 4.0\(4\)
- 4.0\(4\)
- 4.0\(4\)
- 4.0\(4\)
- 4.0\(4\)
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.98% (0.01983) | 79.82th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.98% (0.01983) | 77.90th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.79% (0.01786) | 81.50th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.15% (0.01145) | 85.42th | v3 (v2023.03.01) |
| Apr 11, 2024 | 1.15% (0.01145) | 84.55th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.15% (0.01145) | 82.55th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.54% (0.01537) | 74.52th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.54% (0.01537) | 74.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.54% (0.01537) | 72.41th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.54% (0.01537) | 51.33th | v2 (v2022.01.01) |
References (12)
- http://lists.vmware.com/pipermail/security-announce/2011/000118.html mailing-listx_refsource_MLIST
- http://secunia.com/advisories/43084 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://securityreason.com/securityalert/8090 third-party-advisoryx_refsource_SREASON
- http://securitytracker.com/id?1025030 vdb-entryx_refsource_SECTRACK
- http://www.cisco.com/en/US/docs/switches/datacenter/nexus1000/sw/4_0_4_s_v_1_3_c/release/notes/n1000v_rn.html x_refsource_CONFIRM
- http://www.osvdb.org/70837 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/archive/1/516259/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/46247 vdb-entryx_refsource_BID
- http://www.vmware.com/security/advisories/VMSA-2011-0002.html x_refsource_CONFIRMVendor Advisory
- http://www.vupen.com/english/advisories/2011/0314 vdb-entryx_refsource_VUPENVendor Advisory
- http://www.vupen.com/english/advisories/2011/0315 vdb-entryx_refsource_VUPENVendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/65217 vdb-entryx_refsource_XF
Change history (0)
No recorded changes yet.