Memory leak in Cisco IOS 15.1 through 15.4 and IOS XE 3.4.xS, 3.5.xS, 3.6.xS, and 3.7.xS before 3.7.6S; 3.8.xS, 3.9.xS, and 3.10.xS before 3.10.1S; and 3.11.xS before 3.12S allows remote attackers to cause a denial of service (memory consumption or device reload) via malformed DHCPv6 packets, aka Bug ID CSCum90081
Published Sep 25, 2014
7.8
HIGHCVSS 2.0
EPSS 2.78%
Description
Memory leak in Cisco IOS 15.1 through 15.4 and IOS XE 3.4.xS, 3.5.xS, 3.6.xS, and 3.7.xS before 3.7.6S; 3.8.xS, 3.9.xS, and 3.10.xS before 3.10.1S; and 3.11.xS before 3.12S allows remote attackers to cause a denial of service (memory consumption or device reload) via malformed DHCPv6 packets, aka Bug ID CSCum90081.
Affected products
No data.
- 15.1
- 15.2
- 15.3
- 15.4
- 3.4.0s
- 3.4.1s
- 3.4.2s
- 3.4.3s
- 3.4.4s
- 3.4.5s
- 3.5.0s
- 3.5.1s
- 3.5.2s
- 3.6s\(.0\)
- 3.6s\(.1\)
- 3.6s\(.2\)
- 3.7\(0\)s
- 3.7\(1\)as
- 3.7\(2\)s
- 3.7\(3\)s
- 3.7\(4\)s
- 3.7\(5\)s
- 3.8.0s
- 3.8s\(.0\)
- 3.8s\(.1\)
- 3.8s\(.2\)
- 3.9s\(.0\)
- 3.9s\(.1\)
- 3.9s\(.2\)
- 3.10
- 3.10.0s
- 3.11.0s
- 3.11.1s
- 3.11.2s
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 | 2.78% (0.02778) | 85.87th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.78% (0.02778) | 84.44th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.79% (0.00793) | 72.27th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.28% (0.01282) | 86.34th | v3 (v2023.03.01) |
| May 3, 2024 | 1.28% (0.01282) | 85.65th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.28% (0.01282) | 83.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
References (5)
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140924-dhcpv6 vendor-advisoryx_refsource_CISCOVendor Advisory
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140924-dhcpv6/cvrf/cisco-sa-20140924-dhcpv6_cvrf.xml x_refsource_CONFIRM
- http://www.securityfocus.com/bid/70140 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1030895 vdb-entryx_refsource_SECTRACK
- https://exchange.xforce.ibmcloud.com/vulnerabilities/96177 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140924-dhcpv6 | vendor-advisoryx_refsource_CISCOVendor Advisory | |
| http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140924-dhcpv6/cvrf/cisco-sa-20140924-dhcpv6_cvrf.xml | x_refsource_CONFIRM | |
| http://www.securityfocus.com/bid/70140 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id/1030895 | vdb-entryx_refsource_SECTRACK | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/96177 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.