The HSRP implementation in Cisco NX-OS 6.2(2a) and earlier allows remote attackers to bypass authentication and cause a denial of service (group-member state modification and traffic blackholing) via malformed HSRP packets, aka Bug ID CSCup11309
Published Jun 14, 2014
4.8
MEDIUMCVSS 2.0
EPSS 1.12%
Description
The HSRP implementation in Cisco NX-OS 6.2(2a) and earlier allows remote attackers to bypass authentication and cause a denial of service (group-member state modification and traffic blackholing) via malformed HSRP packets, aka Bug ID CSCup11309.
Affected products
No data.
- ≤ 6.2\(2a\)
- 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\(1a\)
- 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\(4a\)
- 6.2\(2\)
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:A/AC:L/Au:N/C:N/I:P/A:P
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 | 1.12% (0.01117) | 64.88th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.12% (0.01117) | 61.73th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.12% (0.01123) | 76.75th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.59% (0.00590) | 79.00th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.59% (0.00590) | 77.61th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.59% (0.00590) | 74.95th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
References (5)
- http://secunia.com/advisories/59158 third-party-advisoryx_refsource_SECUNIAPermissions Required
- http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3295 vendor-advisoryx_refsource_CISCOVendor Advisory
- http://tools.cisco.com/security/center/viewAlert.x?alertId=34585 x_refsource_CONFIRMVendor Advisory
- http://www.securityfocus.com/bid/67983 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1030409 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/59158 | third-party-advisoryx_refsource_SECUNIAPermissions Required | |
| http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3295 | vendor-advisoryx_refsource_CISCOVendor Advisory | |
| http://tools.cisco.com/security/center/viewAlert.x?alertId=34585 | x_refsource_CONFIRMVendor Advisory | |
| http://www.securityfocus.com/bid/67983 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1030409 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.