The NETIO and IPV4_IO processes in Cisco IOS XR 3.8 through 4.1, as used in Cisco Carrier Routing System and other products, allow remote attackers to cause a denial of service (CPU consumption) via crafted network traffic, aka Bug ID CSCti59888
Published May 2, 2012
7.8
HIGHCVSS 2.0
EPSS 1.78%
Description
The NETIO and IPV4_IO processes in Cisco IOS XR 3.8 through 4.1, as used in Cisco Carrier Routing System and other products, allow remote attackers to cause a denial of service (CPU consumption) via crafted network traffic, aka Bug ID CSCti59888.
Affected products
No data.
- 3.8.0
- 3.8.1
- 3.8.2
- 3.8.3
- 3.8.4
- 3.9.0
- 3.9.1
- 3.9.2
- 4.0.0
- 4.0.1
- 4.0.2
- 4.0.3
- 4.0.4
- 4.1
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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.78% (0.01779) | 77.43th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.80% (0.01799) | 75.56th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.60% (0.00602) | 67.66th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.59% (0.00593) | 79.05th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.59% (0.00593) | 77.65th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.59% (0.00593) | 75.00th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
References (3)
- http://www-europe.cisco.com/cisco/software/release.html?mdfid=279879106&reltype=all&relind=AVAILABLE&release=3.9.2&softwareid=280867577&sortparam=7 x_refsource_CONFIRM
- http://www.securitytracker.com/id?1027005 vdb-entryx_refsource_SECTRACK
- http://www.securitytracker.com/id?1027006 vdb-entryx_refsource_SECTRACK
| Link | Providers | Tags |
|---|---|---|
| http://www-europe.cisco.com/cisco/software/release.html?mdfid=279879106&reltype=all&relind=AVAILABLE&release=3.9.2&softwareid=280867577&sortparam=7 | x_refsource_CONFIRM | |
| http://www.securitytracker.com/id?1027005 | vdb-entryx_refsource_SECTRACK | |
| http://www.securitytracker.com/id?1027006 | vdb-entryx_refsource_SECTRACK |
Change history (0)
No recorded changes yet.