HIGH
The ATOMIC.TCP signature engine in the Intrusion Prevention System (IPS) feature for Cisco IOS 12.4XA, 12.3YA, 12.3T, and other trains allows remote attackers to cause a denial of service (IPS crash and traffic loss) via unspecified manipulations that are not properly handled by the regular expression feature, as demonstrated using the 3123.0 (Netbus Pro Traffic) signature
Published Feb 14, 2007
7.1
HIGHCVSS 2.0
EPSS 3.21%
Description
The ATOMIC.TCP signature engine in the Intrusion Prevention System (IPS) feature for Cisco IOS 12.4XA, 12.3YA, 12.3T, and other trains allows remote attackers to cause a denial of service (IPS crash and traffic loss) via unspecified manipulations that are not properly handled by the regular expression feature, as demonstrated using the 3123.0 (Netbus Pro Traffic) signature.
Affected products
No data.
OR
- 12.3t
- 12.3xq
- 12.3xr
- 12.3xs
- 12.3xw
- 12.3xx
- 12.3xy
- 12.3ya
- 12.3yd
- 12.3yg
- 12.3yh
- 12.3yi
- 12.3yj
- 12.3yk
- 12.3ym
- 12.3yq
- 12.3ys
- 12.3yt
- 12.3yx
- 12.3yz
- 12.4
- 12.4mr
- 12.4t
- 12.4xa
- 12.4xb
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.
7.1 HIGH NVD
AV:N/AC:M/Au:N/C:N/I:N/A:C
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
3.21% 0.03207
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.03207
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 (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.21% (0.03207) | 87.72th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.11% (0.03108) | 86.04th | v5 (v2026.06.15) |
| Mar 17, 2025 | 2.02% (0.02024) | 82.57th | v4 (v2025.03.14) |
| Dec 17, 2024 | 4.83% (0.04831) | 92.63th | v3 (v2023.03.01) |
| Dec 12, 2024 | 1.71% (0.01712) | 88.30th | v3 (v2023.03.01) |
| May 20, 2024 | 2.11% (0.02107) | 89.12th | v3 (v2023.03.01) |
| Jan 25, 2024 | 1.95% (0.01949) | 87.47th | v3 (v2023.03.01) |
| Dec 18, 2023 | 1.64% (0.01643) | 86.17th | v3 (v2023.03.01) |
| Nov 10, 2023 | 1.66% (0.01660) | 86.17th | v3 (v2023.03.01) |
| Oct 3, 2023 | 1.80% (0.01803) | 86.74th | v3 (v2023.03.01) |
| Jul 18, 2023 | 1.84% (0.01839) | 86.68th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.72% (0.01716) | 85.86th | 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) |
Weaknesses (0)
No CWE recorded.
References (9)
- http://osvdb.org/33053 vdb-entryx_refsource_OSVDBBroken Link
- http://secunia.com/advisories/24142 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://www.cisco.com/en/US/products/products_security_advisory09186a00807e0a5b.shtml vendor-advisoryx_refsource_CISCOVendor Advisory
- http://www.cisco.com/en/US/products/products_security_response09186a00807e0a5e.html x_refsource_MISCVendor Advisory
- http://www.securityfocus.com/bid/22549 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id?1017631 vdb-entryx_refsource_SECTRACKBroken LinkThird Party AdvisoryVDB Entry
- http://www.vupen.com/english/advisories/2007/0597 vdb-entryx_refsource_VUPENPermissions RequiredThird Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/32474 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5832 vdb-entrysignaturex_refsource_OVALBroken Link
| Link | Providers | Tags |
|---|---|---|
| http://osvdb.org/33053 | vdb-entryx_refsource_OSVDBBroken Link | |
| http://secunia.com/advisories/24142 | third-party-advisoryx_refsource_SECUNIAThird Party Advisory | |
| http://www.cisco.com/en/US/products/products_security_advisory09186a00807e0a5b.shtml | vendor-advisoryx_refsource_CISCOVendor Advisory | |
| http://www.cisco.com/en/US/products/products_security_response09186a00807e0a5e.html | x_refsource_MISCVendor Advisory | |
| http://www.securityfocus.com/bid/22549 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id?1017631 | vdb-entryx_refsource_SECTRACKBroken LinkThird Party AdvisoryVDB Entry | |
| http://www.vupen.com/english/advisories/2007/0597 | vdb-entryx_refsource_VUPENPermissions RequiredThird Party Advisory | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/32474 | vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5832 | vdb-entrysignaturex_refsource_OVALBroken Link |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Feb 14, 2007
Updated Aug 7, 2024
Reserved Feb 13, 2007
Link CVE-2007-0918
CISA Vulnrichment
Updated n/a