Cisco Adaptive Security Appliances (ASA) 5500 series devices with software 8.2 and 8.4, when SIP inspection is enabled, create many identical pre-allocated secondary pinholes, which might allow remote attackers to cause a denial of service (CPU consumption) via crafted SIP traffic, aka Bug ID CSCtz63143
Published Aug 6, 2012
7.8
HIGHCVSS 2.0
EPSS 1.89%
Description
Cisco Adaptive Security Appliances (ASA) 5500 series devices with software 8.2 and 8.4, when SIP inspection is enabled, create many identical pre-allocated secondary pinholes, which might allow remote attackers to cause a denial of service (CPU consumption) via crafted SIP traffic, aka Bug ID CSCtz63143.
Affected products
No data.
- 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\(5\)
- 8.2.1
- 8.2.2
- 8.2.2
- 8.2.3
- 8.4
- 8.4\(1\)
- 8.4\(1.11\)
- 8.4\(2\)
- 8.4\(2.11\)
- 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:L/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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.89% (0.01887) | 78.77th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.89% (0.01887) | 76.75th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.43% (0.00427) | 60.26th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.16% (0.00161) | 54.06th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.14% (0.00137) | 48.64th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.13% (0.00127) | 46.29th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.11% (0.00115) | 43.86th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.17% (0.00165) | 51.41th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
References (1)
- http://www.cisco.com/en/US/docs/security/asa/asa84/release/notes/asarn84.html x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.cisco.com/en/US/docs/security/asa/asa84/release/notes/asarn84.html | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.