Multiple unspecified vulnerabilities in the Internet Key Exchange version 1 (IKEv1) implementation in multiple Cisco products allow remote attackers to cause a denial of service (device reset) via certain malformed IKE packets, as demonstrated by the PROTOS ISAKMP Test Suite for IKEv1
Published Nov 18, 2005
5.0
MEDIUMCVSS 2.0
EPSS 5.19%
Description
Multiple unspecified vulnerabilities in the Internet Key Exchange version 1 (IKEv1) implementation in multiple Cisco products allow remote attackers to cause a denial of service (device reset) via certain malformed IKE packets, as demonstrated by the PROTOS ISAKMP Test Suite for IKEv1. NOTE: due to the lack of details in the Cisco advisory, it is unclear which of CVE-2005-3666, CVE-2005-3667, and/or CVE-2005-3668 this issue applies to.
Affected products
No data.
Configuration 1
- n/a
- 1.1.2
- 1.1.3
- 1.1_\(3.005\)
- 2.1_\(0.208\)
- 2.0
- 2.5.2.a
- 2.5.2.b
- 2.5.2.c
- 2.5.2.d
- 2.5.2.f
- 3.0
- 3.0.3.a
- 3.0.3.b
- 3.0.4
- 3.1
- 3.1\(rel\)
- 3.1.1
- 3.1.2
- 3.1.4
- 3.5\(rel\)
- 3.5.1
- 3.5.2
- 3.5.3
- 3.5.4
- 3.5.5
- 3.6
- 3.6.1
- 3.6.7
- 3.6.7d
- 4.0
- 4.0.1
- 4.0.5.b
- 4.1.5.b
- 4.1.7.a
- 4.1.7.b
- 4.7.1
- 4.7.1.f
Configuration 2
- 12.2sxd
- 12.3t
- 12.3tpc
- 12.3xd
- 12.3xe
- 12.3xf
- 12.3xg
- 12.3xh
- 12.3xi
- 12.3xj
- 12.3xk
- 12.3xm
- 12.3xq
- 12.3xr
- 12.3xs
- 12.3xu
- 12.3xw
- 12.3xx
- 12.3ya
- 12.3yd
- 12.3yf
- 12.3yg
- 12.3yh
- 12.3yi
- 12.3yj
- 12.3yk
- 12.3ym
- 12.3yq
- 12.3ys
- 12.3yt
- 12.3yu
- 12.3yw
- 12.3yx
- 12.4
- 12.4t
- 12.4xa
- 12.4xb
- 6.2.2_.111
- 6.2.3_\(110\)
- 6.3.3_\(133\)
- n/a
- 1.3\(3.33\)
- 1.3\(4a\)
- 2.0\(0.86\)
- 2.7
- 3.0
- 3.1
- 4.0
- 4.1\(6\)
- 4.1\(6b\)
- 4.2
- 4.2\(1\)
- 4.2\(2\)
- 4.2\(5\)
- 4.3
- 4.4
- 4.4\(4\)
- 4.4\(7.202\)
- 4.4\(8\)
- 5.0
- 5.1
- 5.1\(4\)
- 5.1\(4.206\)
- 5.2
- 5.2\(1\)
- 5.2\(2\)
- 5.2\(3.210\)
- 5.2\(5\)
- 5.2\(6\)
- 5.2\(7\)
- 5.2\(9\)
- 5.3
- 5.3\(1\)
- 5.3\(1.200\)
- 5.3\(2\)
- 5.3\(3\)
- 6.0
- 6.0\(1\)
- 6.0\(2\)
- 6.0\(3\)
- 6.0\(4\)
- 6.0\(4.101\)
- 6.1
- 6.1\(1\)
- 6.1\(2\)
- 6.1\(3\)
- 6.1\(4\)
- 6.1\(5\)
- 6.1.5\(104\)
- 6.2
- 6.2\(1\)
- 6.2\(2\)
- 6.2\(3\)
- 6.2\(3.100\)
- 6.3
- 6.3\(1\)
- 6.3\(2\)
- 6.3\(3.102\)
- 6.3\(3.109\)
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: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 | 5.19% (0.05188) | 92.21th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.14% (0.05143) | 91.30th | v5 (v2026.06.15) |
| Mar 30, 2025 | 9.46% (0.09461) | 92.06th | v4 (v2025.03.14) |
| Mar 29, 2025 | 14.89% (0.14886) | 90.92th | v4 (v2025.03.14) |
| Mar 17, 2025 | 9.94% (0.09938) | 92.45th | v4 (v2025.03.14) |
| Dec 12, 2024 | 6.84% (0.06843) | 94.16th | v3 (v2023.03.01) |
| Mar 7, 2023 | 7.34% (0.07345) | 92.99th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.78% (0.03779) | 85.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.78% (0.03779) | 84.01th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.78% (0.03779) | 67.21th | v2 (v2022.01.01) |
No CWE recorded.
References (13)
- http://jvn.jp/niscc/NISCC-273756/index.html x_refsource_MISC
- http://secunia.com/advisories/17553 third-party-advisoryx_refsource_SECUNIA
- http://securitytracker.com/id?1015198 vdb-entryx_refsource_SECTRACK
- http://securitytracker.com/id?1015199 vdb-entryx_refsource_SECTRACK
- http://securitytracker.com/id?1015200 vdb-entryx_refsource_SECTRACK
- http://securitytracker.com/id?1015201 vdb-entryx_refsource_SECTRACK
- http://securitytracker.com/id?1015202 vdb-entryx_refsource_SECTRACK
- http://www.cisco.com/warp/public/707/cisco-sa-20051114-ipsec.shtml vendor-advisoryx_refsource_CISCOVendor Advisory
- http://www.ee.oulu.fi/research/ouspg/protos/testing/c09/isakmp/ x_refsource_MISC
- http://www.kb.cert.org/vuls/id/226364 third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government Resource
- http://www.niscc.gov.uk/niscc/docs/br-20051114-01013.html?lang=en x_refsource_MISCVendor Advisory
- http://www.securityfocus.com/bid/15401 vdb-entryx_refsource_BID
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5226 vdb-entrysignaturex_refsource_OVAL
Change history (0)
No recorded changes yet.