Cisco 12000 with IOS 12.0 and line cards based on Engine 2 does not properly handle the implicit "deny ip any any" rule in an outgoing ACL when the ACL contains exactly 448 entries, which can allow some outgoing packets to bypass access restrictions
Published Mar 9, 2002
7.5
HIGHCVSS 2.0
EPSS 1.39%
Description
Cisco 12000 with IOS 12.0 and line cards based on Engine 2 does not properly handle the implicit "deny ip any any" rule in an outgoing ACL when the ACL contains exactly 448 entries, which can allow some outgoing packets to bypass access restrictions.
Affected products
No data.
- 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:P/I:P/A:P
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 | 1.39% (0.01392) | 71.35th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.39% (0.01392) | 68.71th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.60% (0.00602) | 67.67th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.39% (0.00386) | 74.01th | v3 (v2023.03.01) |
| Feb 14, 2024 | 0.39% (0.00386) | 72.45th | v3 (v2023.03.01) |
| Feb 7, 2024 | 0.39% (0.00386) | 70.44th | v3 (v2023.03.01) |
| Jul 18, 2023 | 0.36% (0.00365) | 68.71th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.39% (0.00394) | 69.23th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
No CWE recorded.
References (5)
- http://www.ciac.org/ciac/bulletins/m-018.shtml third-party-advisorygovernment-resourcex_refsource_CIAC
- http://www.cisco.com/warp/public/707/GSR-ACL-pub.shtml vendor-advisoryx_refsource_CISCOPatchVendor Advisory
- http://www.osvdb.org/1986 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/bid/3536 vdb-entryx_refsource_BID
- https://exchange.xforce.ibmcloud.com/vulnerabilities/7553 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://www.ciac.org/ciac/bulletins/m-018.shtml | third-party-advisorygovernment-resourcex_refsource_CIAC | |
| http://www.cisco.com/warp/public/707/GSR-ACL-pub.shtml | vendor-advisoryx_refsource_CISCOPatchVendor Advisory | |
| http://www.osvdb.org/1986 | vdb-entryx_refsource_OSVDB | |
| http://www.securityfocus.com/bid/3536 | vdb-entryx_refsource_BID | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/7553 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.