The DHCP server on Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services Module (ASASM) in Cisco Catalyst 6500 series devices, with software 7.0 before 7.2(5.8), 7.1 before 7.2(5.8), 7.2 before 7.2(5.8), 8.0 before 8.0(5.28), 8.1 before 8.1(2.56), 8.2 before 8.2(5.27), 8.3 before 8.3(2.31), 8.4 before 8.4(3.10), 8.5 before 8.5(1.9), and 8.6 before 8.6(1.5) does not properly allocate memory for DHCP packets, which allows remote attackers to cause a denial of service (device reload) via a series of crafted IPv4 packets, aka Bug ID CSCtw84068
Published Oct 29, 2012
7.1
HIGHCVSS 2.0
EPSS 1.53%
Description
The DHCP server on Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services Module (ASASM) in Cisco Catalyst 6500 series devices, with software 7.0 before 7.2(5.8), 7.1 before 7.2(5.8), 7.2 before 7.2(5.8), 8.0 before 8.0(5.28), 8.1 before 8.1(2.56), 8.2 before 8.2(5.27), 8.3 before 8.3(2.31), 8.4 before 8.4(3.10), 8.5 before 8.5(1.9), and 8.6 before 8.6(1.5) does not properly allocate memory for DHCP packets, which allows remote attackers to cause a denial of service (device reload) via a series of crafted IPv4 packets, aka Bug ID CSCtw84068.
Affected products
No data.
- 7.0
- 7.0\(0\)
- 7.0\(1\)
- 7.0\(2\)
- 7.0\(4\)
- 7.0\(5\)
- 7.0\(5.2\)
- 7.1
- 7.1\(2\)
- 7.1\(2.5\)
- 7.1\(2.27\)
- 7.1\(2.48\)
- 7.1\(2.49\)
- 7.1\(5\)
- 7.2
- 7.2\(1\)
- 7.2\(1.22\)
- 7.2\(2\)
- 7.2\(2.5\)
- 7.2\(2.7\)
- 7.2\(2.8\)
- 7.2\(2.10\)
- 7.2\(2.14\)
- 7.2\(2.15\)
- 7.2\(2.16\)
- 7.2\(2.17\)
- 7.2\(2.18\)
- 7.2\(2.19\)
- 7.2\(2.48\)
- 7.2\(3\)
- 7.2\(4\)
- 7.2\(5\)
- 8.0
- 8.0\(2\)
- 8.0\(3\)
- 8.0\(4\)
- 8.0\(5\)
- 8.1
- 8.2
- 8.2\(1\)
- 8.2\(2\)
- 8.2\(3\)
- 8.2\(3.9\)
- 8.2\(4\)
- 8.2\(4.1\)
- 8.2\(4.4\)
- 8.2\(5\)
- 8.3\(1\)
- 8.3\(2\)
- 8.4
- 8.4\(1\)
- 8.4\(1.11\)
- 8.4\(2\)
- 8.4\(2.11\)
- 8.5
- 8.5\(1\)
- 8.5\(1.4\)
- 8.6
- 8.6\(1\)
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
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:M/Au:N/C:N/I:N/A:C
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 | 1.53% (0.01531) | 73.84th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.53% (0.01531) | 71.41th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.56% (0.00563) | 66.40th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.56% (0.00563) | 78.47th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.56% (0.00563) | 77.04th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.56% (0.00563) | 74.33th | 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) |
References (3)
- http://osvdb.org/86145 vdb-entryx_refsource_OSVDB
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20121010-asa vendor-advisoryx_refsource_CISCOVendor Advisory
- http://www.securityfocus.com/bid/55861 vdb-entryx_refsource_BID
| Link | Providers | Tags |
|---|---|---|
| http://osvdb.org/86145 | vdb-entryx_refsource_OSVDB | |
| http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20121010-asa | vendor-advisoryx_refsource_CISCOVendor Advisory | |
| http://www.securityfocus.com/bid/55861 | vdb-entryx_refsource_BID |
Change history (0)
No recorded changes yet.