MEDIUM
The IKEv2 implementation in Cisco IOS 15.0 through 15.6 and IOS XE 3.3 through 3.17 allows remote attackers to cause a denial of service (device reload) via fragmented packets, aka Bug ID CSCux38417
Published Mar 26, 2016
5.9
MEDIUMCVSS 3.0
EPSS 3.04%
Description
The IKEv2 implementation in Cisco IOS 15.0 through 15.6 and IOS XE 3.3 through 3.17 allows remote attackers to cause a denial of service (device reload) via fragmented packets, aka Bug ID CSCux38417.
Affected products
No data.
OR
- 3.3s_3.3.0s
- 3.3s_3.3.1s
- 3.3s_3.3.2s
- 3.3sg_3.3.0sg
- 3.3sg_3.3.1sg
- 3.3sg_3.3.2sg
- 3.3xo_3.3.0xo
- 3.3xo_3.3.1xo
- 3.3xo_3.3.2xo
- 3.4s_3.4.0as
- 3.4s_3.4.0s
- 3.4s_3.4.1s
- 3.4s_3.4.2s
- 3.4s_3.4.3s
- 3.4s_3.4.4s
- 3.4s_3.4.5s
- 3.4s_3.4.6s
- 3.4sg_3.4.0sg
- 3.4sg_3.4.1sg
- 3.4sg_3.4.2sg
- 3.4sg_3.4.3sg
- 3.4sg_3.4.4sg
- 3.4sg_3.4.5sg
- 3.4sg_3.4.6sg
- 3.4sg_3.4.7sg
- 3.5e_3.5.0e
- 3.5e_3.5.1e
- 3.5e_3.5.2e
- 3.5e_3.5.3e
- 3.5s_3.5.0s
- 3.5s_3.5.1s
- 3.5s_3.5.2s
- 3.6e_3.6.0e
- 3.6e_3.6.1e
- 3.6e_3.6.2ae
- 3.6e_3.6.2e
- 3.6e_3.6.3e
- 3.6s_3.6.0s
- 3.6s_3.6.1s
- 3.6s_3.6.2s
- 3.7e_3.7.0e
- 3.7e_3.7.1e
- 3.7e_3.7.2e
- 3.7e_3.7.3e
- 3.7s_3.7.0s
- 3.7s_3.7.1s
- 3.7s_3.7.2s
- 3.7s_3.7.2ts
- 3.7s_3.7.3s
- 3.7s_3.7.4as
- 3.7s_3.7.4s
- 3.7s_3.7.5s
- 3.7s_3.7.6s
- 3.7s_3.7.7s
- 3.8e_3.8.0e
- 3.8e_3.8.1e
- 3.8s_3.8.0s
- 3.8s_3.8.1s
- 3.8s_3.8.2s
- 3.9s_3.9.0as
- 3.9s_3.9.0s
- 3.9s_3.9.1as
- 3.9s_3.9.1s
- 3.9s_3.9.2s
- 3.10s_3.10.0s
- 3.10s_3.10.1s
- 3.10s_3.10.1xbs
- 3.10s_3.10.2s
- 3.10s_3.10.3s
- 3.10s_3.10.4s
- 3.10s_3.10.5s
- 3.10s_3.10.6s
- 3.11s_3.11.0s
- 3.11s_3.11.1s
- 3.11s_3.11.2s
- 3.11s_3.11.3s
- 3.11s_3.11.4s
- 3.12s_3.12.0s
- 3.12s_3.12.1s
- 3.12s_3.12.2s
- 3.12s_3.12.3s
- 3.12s_3.12.4s
- 3.13s_3.13.0as
- 3.13s_3.13.0s
- 3.13s_3.13.1s
- 3.13s_3.13.2as
- 3.13s_3.13.2s
- 3.13s_3.13.3s
- 3.13s_3.13.4s
- 3.14s_3.14.0s
- 3.14s_3.14.1s
- 3.14s_3.14.2s
- 3.14s_3.14.3s
- 3.15s_3.15.0s
- 3.15s_3.15.1cs
- 3.15s_3.15.1s
- 3.15s_3.15.2s
- 3.16s_3.16.0cs
- 3.16s_3.16.0s
- 3.16s_3.16.1as
- 3.16s_3.16.1s
- 3.17s_3.17.0s
- < m16kt61a
- < 2017-01-06
- t-ms14jakucb-1102.5
- snv_124
- < 2.50\(aazi.0\)c0
- 3.08
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.
5.9 MEDIUM NVD
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
7.1 HIGH NVD
AV:N/AC:M/Au:N/C:N/I:N/A:C
Access Vector Network
Access Complexity Medium
Authentication None
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.
3.04% 0.03045
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.03045
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 (36 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.04% (0.03045) | 87.07th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.04% (0.03045) | 85.78th | v5 (v2026.06.15) |
| Mar 4, 2026 | 3.03% (0.03031) | 86.41th | v4 (v2025.03.14) |
| Mar 1, 2026 | 1.60% (0.01603) | 81.51th | v4 (v2025.03.14) |
| Feb 4, 2026 | 3.03% (0.03031) | 86.30th | v4 (v2025.03.14) |
| Feb 1, 2026 | 1.60% (0.01603) | 81.42th | v4 (v2025.03.14) |
| Jan 4, 2026 | 3.03% (0.03031) | 86.24th | v4 (v2025.03.14) |
| Jan 1, 2026 | 1.60% (0.01603) | 81.37th | v4 (v2025.03.14) |
| Dec 4, 2025 | 3.03% (0.03031) | 86.19th | v4 (v2025.03.14) |
| Dec 1, 2025 | 1.60% (0.01603) | 81.24th | v4 (v2025.03.14) |
| Nov 4, 2025 | 3.03% (0.03031) | 86.13th | v4 (v2025.03.14) |
| Nov 1, 2025 | 1.60% (0.01603) | 81.19th | v4 (v2025.03.14) |
| Oct 4, 2025 | 3.03% (0.03031) | 86.14th | v4 (v2025.03.14) |
| Oct 1, 2025 | 1.60% (0.01603) | 81.14th | v4 (v2025.03.14) |
| Sep 4, 2025 | 3.03% (0.03031) | 86.14th | v4 (v2025.03.14) |
| Sep 1, 2025 | 1.60% (0.01603) | 81.08th | v4 (v2025.03.14) |
| Aug 4, 2025 | 3.03% (0.03031) | 86.13th | v4 (v2025.03.14) |
| Aug 1, 2025 | 1.60% (0.01603) | 81.03th | v4 (v2025.03.14) |
| Jul 12, 2025 | 3.03% (0.03031) | 86.06th | v4 (v2025.03.14) |
| Jul 4, 2025 | 4.56% (0.04564) | 88.72th | v4 (v2025.03.14) |
| Jul 1, 2025 | 2.44% (0.02439) | 84.55th | v4 (v2025.03.14) |
| Jun 4, 2025 | 4.56% (0.04564) | 88.65th | v4 (v2025.03.14) |
| Jun 1, 2025 | 2.44% (0.02439) | 84.43th | v4 (v2025.03.14) |
| May 4, 2025 | 4.56% (0.04564) | 88.56th | v4 (v2025.03.14) |
| May 1, 2025 | 2.44% (0.02439) | 84.32th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.56% (0.04564) | 88.46th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.57% (0.00568) | 78.56th | v3 (v2023.03.01) |
| Feb 29, 2024 | 0.57% (0.00568) | 77.26th | v3 (v2023.03.01) |
| Nov 11, 2023 | 0.57% (0.00568) | 75.24th | v3 (v2023.03.01) |
| Aug 2, 2023 | 0.56% (0.00563) | 74.72th | v3 (v2023.03.01) |
| Jun 26, 2023 | 0.63% (0.00631) | 76.11th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.56% (0.00563) | 74.29th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
Weaknesses (1)
References (3)
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160323-ios-ikev2 vendor-advisoryx_refsource_CISCOVendor Advisory
- http://www.securityfocus.com/bid/85311 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1035382 vdb-entryx_refsource_SECTRACK
| Link | Providers | Tags |
|---|---|---|
| http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160323-ios-ikev2 | vendor-advisoryx_refsource_CISCOVendor Advisory | |
| http://www.securityfocus.com/bid/85311 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id/1035382 | vdb-entryx_refsource_SECTRACK |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner cisco
Published Mar 26, 2016
Updated Aug 5, 2024
Reserved Jan 4, 2016
Link CVE-2016-1344
CISA Vulnrichment
Updated n/a