MEDIUM
Cisco Carrier Routing System (CRS) 3.9, 4.0, and 4.1 allows remote attackers to bypass ACL entries via fragmented packets, aka Bug ID CSCtj10975
Published Aug 6, 2012
5.8
MEDIUMCVSS 3.1
EPSS 1.50%
Description
Cisco Carrier Routing System (CRS) 3.9, 4.0, and 4.1 allows remote attackers to bypass ACL entries via fragmented packets, aka Bug ID CSCtj10975.
Affected products
No data.
OR
- 3.9.0
- 4.0.0
- 4.1.0
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.
5.8 MEDIUM NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Changed
Confidentiality Impact None
Integrity Impact Low
Availability Impact None
No CVSS v3.0 score for this CVE.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:P/A:N
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.50% 0.01500
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01500
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 | 1.50% (0.01500) | 73.33th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.50% (0.01500) | 70.83th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.37% (0.00372) | 56.84th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.13% (0.00130) | 49.59th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.11% (0.00111) | 43.75th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.10% (0.00102) | 40.62th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.09% (0.00093) | 37.90th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.13% (0.00130) | 46.15th | 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) |
Weaknesses (1)
References (1)
- http://www.cisco.com/cisco/software/release.html?mdfid=279506669&catid=268437899&flowid=1915&reltype=all&relind=AVAILABLE&release=3.9.2&softwareid=280867577 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.cisco.com/cisco/software/release.html?mdfid=279506669&catid=268437899&flowid=1915&reltype=all&relind=AVAILABLE&release=3.9.2&softwareid=280867577 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner cisco
Published Aug 6, 2012
Updated Sep 16, 2024
Reserved Feb 27, 2012
Link CVE-2012-1342
CISA Vulnrichment
Updated n/a