MEDIUM
The IKEv2 client and initiator implementations in Cisco IOS 15.5(3)M and IOS XE allow remote IKEv2 servers to cause a denial of service (device reload) via crafted IKEv2 packets, aka Bug ID CSCux97540
Published Oct 5, 2016
6.5
MEDIUMCVSS 3.0
EPSS 1.22%
Description
The IKEv2 client and initiator implementations in Cisco IOS 15.5(3)M and IOS XE allow remote IKEv2 servers to cause a denial of service (device reload) via crafted IKEv2 packets, aka Bug ID CSCux97540.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
6.5 MEDIUM NVD
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
6.3 MEDIUM NVD
AV:N/AC:M/Au:S/C:N/I:N/A:C
Access Vector Network
Access Complexity Medium
Authentication Single
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.22% 0.01221
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01221
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 | 1.22% (0.01221) | 67.61th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.22% (0.01221) | 64.65th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.44% (0.00437) | 60.90th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.14% (0.00140) | 51.17th | v3 (v2023.03.01) |
| Jun 21, 2024 | 0.14% (0.00140) | 49.87th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.14% (0.00140) | 47.86th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00890) | 30.33th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00890) | 28.64th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00890) | 26.62th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00890) | 12.04th | v2 (v2022.01.01) |
Weaknesses (1)
References (3)
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161005-ios-ikev vendor-advisoryx_refsource_CISCOVendor Advisory
- http://www.securityfocus.com/bid/93411 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1036955 vdb-entryx_refsource_SECTRACK
| Link | Providers | Tags |
|---|---|---|
| http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161005-ios-ikev | vendor-advisoryx_refsource_CISCOVendor Advisory | |
| http://www.securityfocus.com/bid/93411 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id/1036955 | vdb-entryx_refsource_SECTRACK |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner cisco
Published Oct 5, 2016
Updated Aug 6, 2024
Reserved Jul 26, 2016
Link CVE-2016-6423
CISA Vulnrichment
Updated n/a