The DHCP relay agent in Cisco Adaptive Security Appliance (ASA) and PIX 7.2 allows remote attackers to cause a denial of service (dropped packets) via a DHCPREQUEST or DHCPINFORM message that causes multiple DHCPACK messages to be sent from DHCP servers to the agent, which consumes the memory allocated for a local buffer
Published May 2, 2007
7.8
HIGHCVSS 2.0
EPSS 4.37%
Description
The DHCP relay agent in Cisco Adaptive Security Appliance (ASA) and PIX 7.2 allows remote attackers to cause a denial of service (dropped packets) via a DHCPREQUEST or DHCPINFORM message that causes multiple DHCPACK messages to be sent from DHCP servers to the agent, which consumes the memory allocated for a local buffer. NOTE: this issue only occurs when multiple DHCP servers are used.
Affected products
No data.
- 7.2
- 7.2.2
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.
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 (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.37% (0.04372) | 90.97th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.37% (0.04372) | 89.98th | v5 (v2026.06.15) |
| Mar 5, 2026 | 6.62% (0.06622) | 91.02th | v4 (v2025.03.14) |
| Mar 2, 2026 | 3.05% (0.03050) | 86.51th | v4 (v2025.03.14) |
| Mar 30, 2025 | 6.38% (0.06380) | 90.08th | v4 (v2025.03.14) |
| Mar 29, 2025 | 9.28% (0.09276) | 87.77th | v4 (v2025.03.14) |
| Mar 17, 2025 | 6.38% (0.06380) | 90.31th | v4 (v2025.03.14) |
| Dec 12, 2024 | 4.44% (0.04440) | 92.73th | v3 (v2023.03.01) |
| Jun 27, 2024 | 4.44% (0.04440) | 92.49th | v3 (v2023.03.01) |
| Apr 12, 2024 | 3.92% (0.03918) | 91.84th | v3 (v2023.03.01) |
| Mar 5, 2024 | 2.29% (0.02292) | 89.36th | v3 (v2023.03.01) |
| Jan 27, 2024 | 2.36% (0.02356) | 88.72th | v3 (v2023.03.01) |
| Oct 4, 2023 | 2.37% (0.02373) | 88.56th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.21% (0.02215) | 87.70th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.97% (0.01974) | 78.97th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.97% (0.01974) | 77.12th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.97% (0.01974) | 56.20th | v2 (v2022.01.01) |
No CWE recorded.
References (9)
- http://secunia.com/advisories/25109 third-party-advisoryx_refsource_SECUNIA
- http://www.cisco.com/en/US/products/products_security_response09186a0080833172.html vendor-advisoryx_refsource_CISCOPatch
- http://www.kb.cert.org/vuls/id/530057 third-party-advisoryx_refsource_CERT-VNPatchUS Government Resource
- http://www.osvdb.org/35330 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/bid/23763 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1017999 vdb-entryx_refsource_SECTRACK
- http://www.securitytracker.com/id?1018000 vdb-entryx_refsource_SECTRACK
- http://www.vupen.com/english/advisories/2007/1635 vdb-entryx_refsource_VUPEN
- https://exchange.xforce.ibmcloud.com/vulnerabilities/34026 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/25109 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.cisco.com/en/US/products/products_security_response09186a0080833172.html | vendor-advisoryx_refsource_CISCOPatch | |
| http://www.kb.cert.org/vuls/id/530057 | third-party-advisoryx_refsource_CERT-VNPatchUS Government Resource | |
| http://www.osvdb.org/35330 | vdb-entryx_refsource_OSVDB | |
| http://www.securityfocus.com/bid/23763 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id?1017999 | vdb-entryx_refsource_SECTRACK | |
| http://www.securitytracker.com/id?1018000 | vdb-entryx_refsource_SECTRACK | |
| http://www.vupen.com/english/advisories/2007/1635 | vdb-entryx_refsource_VUPEN | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/34026 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.