HIGH
Cisco IOS 12.2 allows remote attackers to cause a denial of service (CPU consumption) by establishing many IPv6 neighbors, aka Bug ID CSCtn78957
Published Sep 16, 2012
7.8
HIGHCVSS 2.0
EPSS 1.90%
Description
Cisco IOS 12.2 allows remote attackers to cause a denial of service (CPU consumption) by establishing many IPv6 neighbors, aka Bug ID CSCtn78957.
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.
7.8 HIGH NVD
AV:N/AC:L/Au:N/C:N/I:N/A:C
Access Vector Network
Access Complexity Low
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.
1.90% 0.01895
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01895
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 | 1.90% (0.01895) | 78.87th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.90% (0.01895) | 76.84th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.43% (0.00427) | 60.26th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.20% (0.00204) | 59.26th | v3 (v2023.03.01) |
| Aug 7, 2023 | 0.20% (0.00204) | 57.48th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.26% (0.00257) | 61.68th | 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 (2)
- http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.2SX/release/notes/caveats_SXI_rebuilds.html x_refsource_CONFIRM
- https://exchange.xforce.ibmcloud.com/vulnerabilities/78921 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.2SX/release/notes/caveats_SXI_rebuilds.html | x_refsource_CONFIRM | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/78921 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner cisco
Published Sep 16, 2012
Updated Aug 6, 2024
Reserved May 30, 2012
Link CVE-2012-3079
CISA Vulnrichment
Updated n/a