CRITICAL
Buffer overflow in the IKEv1 and IKEv2 implementations in Cisco ASA Software before 8.4(7.30), 8.7 before 8.7(1.18), 9.0 before 9.0(4.38), 9.1 before 9.1(7), 9.2 before 9.2(4.5), 9.3 before 9.3(3.7), 9.4 before 9.4(2.4), and 9.5 before 9.5(2.2) on ASA 5500 devices, ASA 5500-X devices, ASA Services Module for Cisco Catalyst 6500 and Cisco 7600 devices, ASA 1000V devices, Adaptive Security Virtual Appliance (aka ASAv), Firepower 9300 ASA Security Module, and ISA 3000 devices allows remote attackers to execute arbitrary code or cause a denial of service (device reload) via crafted UDP packets, aka Bug IDs CSCux29978 and CSCux42019
Published Feb 11, 2016
9.8
CRITICALCVSS 3.0
EPSS 74.22%
Description
Buffer overflow in the IKEv1 and IKEv2 implementations in Cisco ASA Software before 8.4(7.30), 8.7 before 8.7(1.18), 9.0 before 9.0(4.38), 9.1 before 9.1(7), 9.2 before 9.2(4.5), 9.3 before 9.3(3.7), 9.4 before 9.4(2.4), and 9.5 before 9.5(2.2) on ASA 5500 devices, ASA 5500-X devices, ASA Services Module for Cisco Catalyst 6500 and Cisco 7600 devices, ASA 1000V devices, Adaptive Security Virtual Appliance (aka ASAv), Firepower 9300 ASA Security Module, and ISA 3000 devices allows remote attackers to execute arbitrary code or cause a denial of service (device reload) via crafted UDP packets, aka Bug IDs CSCux29978 and CSCux42019.
Affected products
No data.
OR
- 7.2.1
- 7.2.1.9
- 7.2.1.13
- 7.2.1.19
- 7.2.1.24
- 7.2.2
- 7.2.2.6
- 7.2.2.10
- 7.2.2.14
- 7.2.2.18
- 7.2.2.19
- 7.2.2.22
- 7.2.2.34
- 7.2.3
- 7.2.3.1
- 7.2.3.12
- 7.2.3.16
- 7.2.4
- 7.2.4.6
- 7.2.4.9
- 7.2.4.18
- 7.2.4.25
- 7.2.4.27
- 7.2.4.30
- 7.2.4.33
- 7.2.5
- 7.2.5.2
- 7.2.5.4
- 7.2.5.7
- 7.2.5.8
- 7.2.5.10
- 7.2.5.12
- 7.2.5.16
- 8.2.0.45
- 8.2.1
- 8.2.1.11
- 8.2.2
- 8.2.2.9
- 8.2.2.10
- 8.2.2.12
- 8.2.2.16
- 8.2.2.17
- 8.2.3
- 8.2.4
- 8.2.4.1
- 8.2.4.4
- 8.2.5
- 8.2.5.13
- 8.2.5.22
- 8.2.5.26
- 8.2.5.33
- 8.2.5.40
- 8.2.5.41
- 8.2.5.46
- 8.2.5.48
- 8.2.5.50
- 8.2.5.52
- 8.2.5.55
- 8.2.5.57
- 8.3.1
- 8.3.1.1
- 8.3.1.4
- 8.3.1.6
- 8.3.2
- 8.3.2.4
- 8.3.2.13
- 8.3.2.23
- 8.3.2.25
- 8.3.2.31
- 8.3.2.33
- 8.3.2.34
- 8.3.2.37
- 8.3.2.39
- 8.3.2.40
- 8.3.2.41
- 8.3.2.44
- 8.4.0
- 8.4.1
- 8.4.1.3
- 8.4.1.11
- 8.4.2
- 8.4.2.1
- 8.4.2.8
- 8.4.3
- 8.4.3.8
- 8.4.3.9
- 8.4.4
- 8.4.4.1
- 8.4.4.3
- 8.4.4.5
- 8.4.4.9
- 8.4.5
- 8.4.5.6
- 8.4.6
- 8.4.7
- 8.4.7.3
- 8.4.7.15
- 8.4.7.22
- 8.4.7.23
- 8.4.7.26
- 8.4.7.28
- 8.4.7.29
- 8.5.1
- 8.5.1.1
- 8.5.1.6
- 8.5.1.7
- 8.5.1.14
- 8.5.1.17
- 8.5.1.18
- 8.5.1.19
- 8.5.1.21
- 8.5.1.24
- 8.6.1
- 8.6.1.1
- 8.6.1.2
- 8.6.1.5
- 8.6.1.10
- 8.6.1.12
- 8.6.1.13
- 8.6.1.14
- 8.6.1.17
- 8.7.1
- 8.7.1.1
- 8.7.1.3
- 8.7.1.4
- 8.7.1.7
- 8.7.1.8
- 8.7.1.11
- 8.7.1.13
- 8.7.1.16
- 8.7.1.17
- 9.0.1
- 9.0.2
- 9.0.2.10
- 9.0.3
- 9.0.3.6
- 9.0.3.8
- 9.0.4
- 9.0.4.1
- 9.0.4.5
- 9.0.4.7
- 9.0.4.17
- 9.0.4.20
- 9.0.4.24
- 9.0.4.26
- 9.0.4.29
- 9.0.4.33
- 9.0.4.35
- 9.0.4.37
- 9.1.1
- 9.1.1.4
- 9.1.2
- 9.1.2.8
- 9.1.3
- 9.1.3.2
- 9.1.4
- 9.1.4.5
- 9.1.5
- 9.1.5.10
- 9.1.5.12
- 9.1.5.15
- 9.1.5.21
- 9.1.6
- 9.1.6.1
- 9.1.6.4
- 9.1.6.6
- 9.1.6.8
- 9.1.6.10
- 9.2.1
- 9.2.2
- 9.2.2.4
- 9.2.2.7
- 9.2.2.8
- 9.2.3
- 9.2.3.3
- 9.2.3.4
- 9.2.4
- 9.2.4.2
- 9.2.4.4
- 9.3.1
- 9.3.1.1
- 9.3.2
- 9.3.2.2
- 9.3.3
- 9.3.3.1
- 9.3.3.2
- 9.3.3.5
- 9.3.3.6
- 9.3.5
- 9.4.0.115
- 9.4.1
- 9.4.1.1
- 9.4.1.2
- 9.4.1.3
- 9.4.1.5
- 9.4.2
- 9.4.2.3
- 9.5.1
- 9.5.2
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.
9.8 CRITICAL NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
10.0 HIGH NVD
AV:N/AC:L/Au:N/C:C/I:C/A:C
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
74.22% 0.74219
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.74219
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 (46 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 74.22% (0.74219) | 99.48th | v5 (v2026.06.15) |
| Sep 22, 2026 | 74.22% (0.74219) | 99.47th | v5 (v2026.06.15) |
| Sep 21, 2026 | 49.31% (0.49314) | 98.87th | v5 (v2026.06.15) |
| Sep 13, 2026 | 74.80% (0.74795) | 99.47th | v5 (v2026.06.15) |
| Sep 6, 2026 | 76.98% (0.76981) | 99.52th | v5 (v2026.06.15) |
| Sep 5, 2026 | 53.09% (0.53090) | 98.93th | v5 (v2026.06.15) |
| Aug 30, 2026 | 76.98% (0.76981) | 99.51th | v5 (v2026.06.15) |
| Aug 28, 2026 | 53.09% (0.53090) | 98.93th | v5 (v2026.06.15) |
| Aug 24, 2026 | 76.98% (0.76981) | 99.51th | v5 (v2026.06.15) |
| Aug 23, 2026 | 53.09% (0.53090) | 98.92th | v5 (v2026.06.15) |
| Jun 15, 2026 | 77.46% (0.77462) | 99.50th | v5 (v2026.06.15) |
| Mar 4, 2026 | 89.78% (0.89776) | 99.56th | v4 (v2025.03.14) |
| Mar 1, 2026 | 79.18% (0.79177) | 99.05th | v4 (v2025.03.14) |
| Feb 4, 2026 | 89.78% (0.89776) | 99.55th | v4 (v2025.03.14) |
| Feb 1, 2026 | 79.18% (0.79177) | 99.03th | v4 (v2025.03.14) |
| Jan 4, 2026 | 89.78% (0.89776) | 99.54th | v4 (v2025.03.14) |
| Jan 1, 2026 | 79.18% (0.79177) | 99.03th | v4 (v2025.03.14) |
| Dec 4, 2025 | 89.78% (0.89776) | 99.53th | v4 (v2025.03.14) |
| Dec 1, 2025 | 79.18% (0.79177) | 99.02th | v4 (v2025.03.14) |
| Nov 4, 2025 | 89.78% (0.89776) | 99.54th | v4 (v2025.03.14) |
| Nov 1, 2025 | 79.18% (0.79177) | 99.03th | v4 (v2025.03.14) |
| Oct 4, 2025 | 89.78% (0.89776) | 99.54th | v4 (v2025.03.14) |
| Oct 1, 2025 | 79.18% (0.79177) | 99.04th | v4 (v2025.03.14) |
| Sep 4, 2025 | 89.78% (0.89776) | 99.54th | v4 (v2025.03.14) |
| Sep 1, 2025 | 79.18% (0.79177) | 99.04th | v4 (v2025.03.14) |
| Aug 4, 2025 | 89.78% (0.89776) | 99.54th | v4 (v2025.03.14) |
| Aug 1, 2025 | 79.18% (0.79177) | 99.03th | v4 (v2025.03.14) |
| Jul 4, 2025 | 89.78% (0.89776) | 99.53th | v4 (v2025.03.14) |
| Jul 1, 2025 | 76.29% (0.76291) | 98.87th | v4 (v2025.03.14) |
| Jun 4, 2025 | 89.78% (0.89776) | 99.54th | v4 (v2025.03.14) |
| Jun 1, 2025 | 76.29% (0.76291) | 98.87th | v4 (v2025.03.14) |
| May 4, 2025 | 89.78% (0.89776) | 99.52th | v4 (v2025.03.14) |
| May 1, 2025 | 76.29% (0.76291) | 98.86th | v4 (v2025.03.14) |
| Mar 30, 2025 | 89.78% (0.89776) | 99.55th | v4 (v2025.03.14) |
| Mar 29, 2025 | 90.81% (0.90813) | 99.56th | v4 (v2025.03.14) |
| Mar 28, 2025 | 89.78% (0.89776) | 99.55th | v4 (v2025.03.14) |
| Mar 27, 2025 | 90.81% (0.90813) | 99.61th | v4 (v2025.03.14) |
| Mar 20, 2025 | 89.24% (0.89241) | 99.54th | v4 (v2025.03.14) |
| Mar 19, 2025 | 90.81% (0.90813) | 99.61th | v4 (v2025.03.14) |
| Mar 17, 2025 | 89.24% (0.89241) | 99.52th | v4 (v2025.03.14) |
| Dec 17, 2024 | 93.11% (0.93114) | 99.28th | v3 (v2023.03.01) |
| Aug 26, 2023 | 96.88% (0.96880) | 99.57th | v3 (v2023.03.01) |
| Apr 5, 2023 | 96.94% (0.96935) | 99.51th | v3 (v2023.03.01) |
| Mar 7, 2023 | 97.00% (0.96997) | 99.52th | v3 (v2023.03.01) |
| Mar 6, 2023 | 57.47% (0.57473) | 98.85th | v2 (v2022.01.01) |
| Feb 4, 2022 | 57.47% (0.57473) | 98.51th | v2 (v2022.01.01) |
Weaknesses (1)
References (6)
- http://packetstormsecurity.com/files/137100/Cisco-ASA-Software-IKEv1-IKEv2-Buffer-Overflow.html x_refsource_MISCExploitThird Party AdvisoryVDB Entry
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160210-asa-ike vendor-advisoryx_refsource_CISCOVendor Advisory
- http://www.securitytracker.com/id/1034997 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://blog.exodusintel.com/2016/02/10/firewall-hacking/ x_refsource_MISCExploitTechnical DescriptionThird Party Advisory
- https://www.exploit-db.com/exploits/39823/ exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
- https://www.kb.cert.org/vuls/id/327976 third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government Resource
| Link | Providers | Tags |
|---|---|---|
| http://packetstormsecurity.com/files/137100/Cisco-ASA-Software-IKEv1-IKEv2-Buffer-Overflow.html | x_refsource_MISCExploitThird Party AdvisoryVDB Entry | |
| http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160210-asa-ike | vendor-advisoryx_refsource_CISCOVendor Advisory | |
| http://www.securitytracker.com/id/1034997 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://blog.exodusintel.com/2016/02/10/firewall-hacking/ | x_refsource_MISCExploitTechnical DescriptionThird Party Advisory | |
| https://www.exploit-db.com/exploits/39823/ | exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry | |
| https://www.kb.cert.org/vuls/id/327976 | third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government Resource |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner cisco
Published Feb 11, 2016
Updated Aug 5, 2024
Reserved Jan 4, 2016
Link CVE-2016-1287
CISA Vulnrichment
Updated n/a