HIGH
Cisco IOS 12.1, 12.2, 12.3, and 12.4, with IPv4 UDP services and the IPv6 protocol enabled, allows remote attackers to cause a denial of service (device crash and possible blocked interface) via a crafted IPv6 packet to the device
Published Mar 27, 2008
7.1
HIGHCVSS 2.0
EPSS 5.58%
Description
Cisco IOS 12.1, 12.2, 12.3, and 12.4, with IPv4 UDP services and the IPv6 protocol enabled, allows remote attackers to cause a denial of service (device crash and possible blocked interface) via a crafted IPv6 packet to the device.
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.
7.1 HIGH NVD
AV:N/AC:M/Au:N/C:N/I:N/A:C
Access Vector Network
Access Complexity Medium
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.
5.58% 0.05584
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.05584
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 | 5.58% (0.05584) | 92.64th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.58% (0.05584) | 91.86th | v5 (v2026.06.15) |
| Mar 17, 2025 | 3.61% (0.03610) | 86.99th | v4 (v2025.03.14) |
| Mar 8, 2025 | 3.14% (0.03140) | 91.17th | v3 (v2023.03.01) |
| Dec 12, 2024 | 1.69% (0.01690) | 88.22th | v3 (v2023.03.01) |
| Jul 25, 2023 | 1.69% (0.01690) | 86.04th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.57% (0.01566) | 85.17th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.97% (0.01974) | 78.97th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.97% (0.01974) | 77.12th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.97% (0.01974) | 56.20th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (9)
- http://secunia.com/advisories/29507 third-party-advisoryx_refsource_SECUNIA
- http://www.cisco.com/warp/public/707/cisco-sa-20080326-IPv4IPv6.shtml vendor-advisoryx_refsource_CISCOExploitPatch
- http://www.kb.cert.org/vuls/id/936177 third-party-advisoryx_refsource_CERT-VNUS Government Resource
- http://www.securityfocus.com/bid/28461 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1019713 vdb-entryx_refsource_SECTRACK
- http://www.us-cert.gov/cas/techalerts/TA08-087B.html third-party-advisoryx_refsource_CERTUS Government Resource
- http://www.vupen.com/english/advisories/2008/1006/references vdb-entryx_refsource_VUPEN
- https://exchange.xforce.ibmcloud.com/vulnerabilities/41475 vdb-entryx_refsource_XF
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5860 vdb-entrysignaturex_refsource_OVAL
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/29507 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.cisco.com/warp/public/707/cisco-sa-20080326-IPv4IPv6.shtml | vendor-advisoryx_refsource_CISCOExploitPatch | |
| http://www.kb.cert.org/vuls/id/936177 | third-party-advisoryx_refsource_CERT-VNUS Government Resource | |
| http://www.securityfocus.com/bid/28461 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id?1019713 | vdb-entryx_refsource_SECTRACK | |
| http://www.us-cert.gov/cas/techalerts/TA08-087B.html | third-party-advisoryx_refsource_CERTUS Government Resource | |
| http://www.vupen.com/english/advisories/2008/1006/references | vdb-entryx_refsource_VUPEN | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/41475 | vdb-entryx_refsource_XF | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5860 | vdb-entrysignaturex_refsource_OVAL |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner cisco
Published Mar 27, 2008
Updated Aug 7, 2024
Reserved Mar 5, 2008
Link CVE-2008-1153
CISA Vulnrichment
Updated n/a