Cisco IOS 12.0 through 12.4 allows remote attackers to cause a denial of service via (1) a malformed MGCP packet, which causes a device hang, aka CSCsf08998; a malformed H.323 packet, which causes a device crash, as identified by (2) CSCsi60004 with Proxy Unregistration and (3) CSCsg70474; and a malformed Real-time Transport Protocol (RTP) packet, which causes a device crash, as identified by (4) CSCse68138, related to VOIP RTP Lib, and (5) CSCse05642, related to I/O memory corruption
Published Aug 9, 2007
7.1
HIGHCVSS 2.0
EPSS 3.16%
Description
Cisco IOS 12.0 through 12.4 allows remote attackers to cause a denial of service via (1) a malformed MGCP packet, which causes a device hang, aka CSCsf08998; a malformed H.323 packet, which causes a device crash, as identified by (2) CSCsi60004 with Proxy Unregistration and (3) CSCsg70474; and a malformed Real-time Transport Protocol (RTP) packet, which causes a device crash, as identified by (4) CSCse68138, related to VOIP RTP Lib, and (5) CSCse05642, related to I/O memory corruption.
Affected products
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 (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.16% (0.03158) | 87.52th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.16% (0.03158) | 86.26th | v5 (v2026.06.15) |
| Mar 28, 2026 | 4.54% (0.04540) | 89.12th | v4 (v2025.03.14) |
| Mar 30, 2025 | 3.51% (0.03514) | 86.51th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.57% (0.04572) | 81.64th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.51% (0.03514) | 86.83th | v4 (v2025.03.14) |
| Dec 17, 2024 | 8.02% (0.08024) | 94.28th | v3 (v2023.03.01) |
| Jul 20, 2024 | 10.47% (0.10470) | 95.05th | v3 (v2023.03.01) |
| Jun 12, 2024 | 8.13% (0.08128) | 94.34th | v3 (v2023.03.01) |
| May 5, 2024 | 5.91% (0.05907) | 93.39th | v3 (v2023.03.01) |
| Mar 28, 2024 | 6.22% (0.06224) | 93.44th | v3 (v2023.03.01) |
| Jan 11, 2024 | 6.02% (0.06017) | 92.74th | v3 (v2023.03.01) |
| Aug 15, 2023 | 6.17% (0.06172) | 92.62th | v3 (v2023.03.01) |
| Mar 7, 2023 | 5.73% (0.05735) | 92.13th | 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 (14)
- http://osvdb.org/36677 vdb-entryx_refsource_OSVDB
- http://osvdb.org/36678 vdb-entryx_refsource_OSVDB
- http://osvdb.org/36679 vdb-entryx_refsource_OSVDB
- http://osvdb.org/36680 vdb-entryx_refsource_OSVDB
- http://osvdb.org/36681 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/26363 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://securitytracker.com/id?1018533 vdb-entryx_refsource_SECTRACK
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080899653.shtml vendor-advisoryx_refsource_CISCO
- http://www.securityfocus.com/bid/25239 vdb-entryx_refsource_BID
- http://www.vupen.com/english/advisories/2007/2816 vdb-entryx_refsource_VUPEN
- https://exchange.xforce.ibmcloud.com/vulnerabilities/35903 vdb-entryx_refsource_XF
- https://exchange.xforce.ibmcloud.com/vulnerabilities/35904 vdb-entryx_refsource_XF
- https://exchange.xforce.ibmcloud.com/vulnerabilities/35905 vdb-entryx_refsource_XF
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5570 vdb-entrysignaturex_refsource_OVAL
Change history (0)
No recorded changes yet.