HIGH
The ALG module in Cisco IOS 15.0 through 15.4 does not properly implement SIP over NAT, which allows remote attackers to cause a denial of service (device reload) via multipart SDP IPv4 traffic, aka Bug ID CSCun54071
Published Sep 25, 2014
7.1
HIGHCVSS 2.0
EPSS 2.37%
Description
The ALG module in Cisco IOS 15.0 through 15.4 does not properly implement SIP over NAT, which allows remote attackers to cause a denial of service (device reload) via multipart SDP IPv4 traffic, aka Bug ID CSCun54071.
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.
2.37% 0.02365
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.02365
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 | 2.37% (0.02365) | 83.18th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.37% (0.02365) | 81.53th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.74% (0.00742) | 71.26th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.18% (0.01184) | 85.72th | v3 (v2023.03.01) |
| Apr 16, 2024 | 1.18% (0.01184) | 84.88th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.18% (0.01184) | 82.87th | 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) |
Weaknesses (1)
References (5)
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140924-nat vendor-advisoryx_refsource_CISCOVendor Advisory
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140924-nat/cvrf/cisco-sa-20140924-nat_cvrf.xml x_refsource_CONFIRM
- http://www.securityfocus.com/bid/70129 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1030896 vdb-entryx_refsource_SECTRACK
- https://exchange.xforce.ibmcloud.com/vulnerabilities/96181 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140924-nat | vendor-advisoryx_refsource_CISCOVendor Advisory | |
| http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140924-nat/cvrf/cisco-sa-20140924-nat_cvrf.xml | x_refsource_CONFIRM | |
| http://www.securityfocus.com/bid/70129 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id/1030896 | vdb-entryx_refsource_SECTRACK | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/96181 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner cisco
Published Sep 25, 2014
Updated Aug 6, 2024
Reserved May 7, 2014
Link CVE-2014-3361
CISA Vulnrichment
Updated n/a