Buffer overflow in the Overlay Transport Virtualization (OTV) GRE feature in Cisco NX-OS 5.0 through 7.3 on Nexus 7000 and 7700 devices allows remote attackers to execute arbitrary code via long parameters in a packet header, aka Bug ID CSCuy95701
Published Oct 6, 2016
9.8
CRITICALCVSS 3.1
EPSS 8.07%
Description
Buffer overflow in the Overlay Transport Virtualization (OTV) GRE feature in Cisco NX-OS 5.0 through 7.3 on Nexus 7000 and 7700 devices allows remote attackers to execute arbitrary code via long parameters in a packet header, aka Bug ID CSCuy95701.
Affected products
No data.
- 4.1.\(2\)
- 4.1.\(3\)
- 4.1.\(4\)
- 4.1.\(5\)
- 4.2\(3\)
- 4.2\(4\)
- 4.2\(6\)
- 4.2\(8\)
- 4.2.\(2a\)
- 5.0\(2a\)
- 5.0\(3\)
- 5.0\(5\)
- 5.1\(1\)
- 5.1\(1a\)
- 5.1\(3\)
- 5.1\(4\)
- 5.1\(5\)
- 5.1\(6\)
- 5.2\(1\)
- 5.2\(3a\)
- 5.2\(4\)
- 5.2\(5\)
- 5.2\(7\)
- 5.2\(9\)
- 6.0\(1\)
- 6.0\(2\)
- 6.0\(3\)
- 6.0\(4\)
- 6.1\(1\)
- 6.1\(2\)
- 6.1\(3\)
- 6.1\(4\)
- 6.1\(4a\)
- 6.1\(5\)
- 6.2\(2\)
- 6.2\(2a\)
- 6.2\(6\)
- 6.2\(6b\)
- 6.2\(8\)
- 6.2\(8a\)
- 6.2\(8b\)
- 6.2\(10\)
- 6.2\(12\)
- 6.2\(14\)s1
- 7.2\(0\)n1\(0.1\)
- base
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:C/I:C/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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 8.07% (0.08070) | 94.63th | v5 (v2026.06.15) |
| Jun 15, 2026 | 8.07% (0.08070) | 94.05th | v5 (v2026.06.15) |
| Jun 7, 2025 | 26.08% (0.26083) | 95.97th | v4 (v2025.03.14) |
| Jun 6, 2025 | 19.68% (0.19682) | 95.10th | v4 (v2025.03.14) |
| Apr 6, 2025 | 20.85% (0.20849) | 95.14th | v4 (v2025.03.14) |
| Mar 30, 2025 | 30.60% (0.30599) | 96.32th | v4 (v2025.03.14) |
| Mar 29, 2025 | 36.78% (0.36775) | 95.62th | v4 (v2025.03.14) |
| Mar 17, 2025 | 30.65% (0.30650) | 96.32th | v4 (v2025.03.14) |
| Dec 17, 2024 | 1.00% (0.01005) | 83.45th | v3 (v2023.03.01) |
| Oct 19, 2023 | 2.04% (0.02041) | 87.70th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.45% (0.01449) | 84.58th | v3 (v2023.03.01) |
| Mar 6, 2023 | 5.79% (0.05785) | 90.41th | v2 (v2022.01.01) |
| Apr 1, 2022 | 5.79% (0.05785) | 89.45th | v2 (v2022.01.01) |
| Feb 4, 2022 | 5.79% (0.05785) | 77.27th | v2 (v2022.01.01) |
References (3)
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161005-otv vendor-advisoryx_refsource_CISCOMitigationVendor Advisory
- http://www.securityfocus.com/bid/93409 vdb-entryx_refsource_BIDNot ApplicableThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1036946 vdb-entryx_refsource_SECTRACKNot ApplicableThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161005-otv | vendor-advisoryx_refsource_CISCOMitigationVendor Advisory | |
| http://www.securityfocus.com/bid/93409 | vdb-entryx_refsource_BIDNot ApplicableThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1036946 | vdb-entryx_refsource_SECTRACKNot ApplicableThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.