Extended Interior Gateway Routing Protocol (EIGRP) 1.2, as implemented in Cisco IOS after 12.3(2), 12.3(3)B, and 12.3(2)T and other products, allows remote attackers to cause a denial of service by sending a "spoofed neighbor announcement" with (1) mismatched k values or (2) "goodbye message" Type-Length-Value (TLV)
Published Dec 21, 2005
7.8
HIGHCVSS 2.0
EPSS 2.10%
Description
Extended Interior Gateway Routing Protocol (EIGRP) 1.2, as implemented in Cisco IOS after 12.3(2), 12.3(3)B, and 12.3(2)T and other products, allows remote attackers to cause a denial of service by sending a "spoofed neighbor announcement" with (1) mismatched k values or (2) "goodbye message" Type-Length-Value (TLV).
Affected products
No data.
Running on/with
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 | 2.10% (0.02097) | 80.99th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.10% (0.02097) | 79.17th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.64% (0.01641) | 80.68th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.42% (0.02416) | 90.33th | v3 (v2023.03.01) |
| Nov 27, 2024 | 2.42% (0.02416) | 90.31th | v3 (v2023.03.01) |
| Mar 7, 2023 | 4.69% (0.04688) | 91.35th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
No CWE recorded.
References (7)
- http://lists.grok.org.uk/pipermail/full-disclosure/2005-December/040330.html mailing-listx_refsource_FULLDISCVendor Advisory
- http://marc.info/?l=full-disclosure&m=113504451523186&w=2 mailing-listx_refsource_FULLDISC
- http://securitytracker.com/id?1015382 vdb-entryx_refsource_SECTRACK
- http://www.securityfocus.com/archive/1/419898/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/15978 vdb-entryx_refsource_BID
- http://www.vupen.com/english/advisories/2005/3008 vdb-entryx_refsource_VUPEN
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5454 vdb-entrysignaturex_refsource_OVAL
| Link | Providers | Tags |
|---|---|---|
| http://lists.grok.org.uk/pipermail/full-disclosure/2005-December/040330.html | mailing-listx_refsource_FULLDISCVendor Advisory | |
| http://marc.info/?l=full-disclosure&m=113504451523186&w=2 | mailing-listx_refsource_FULLDISC | |
| http://securitytracker.com/id?1015382 | vdb-entryx_refsource_SECTRACK | |
| http://www.securityfocus.com/archive/1/419898/100/0/threaded | mailing-listx_refsource_BUGTRAQ | |
| http://www.securityfocus.com/bid/15978 | vdb-entryx_refsource_BID | |
| http://www.vupen.com/english/advisories/2005/3008 | vdb-entryx_refsource_VUPEN | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5454 | vdb-entrysignaturex_refsource_OVAL |
Change history (0)
No recorded changes yet.