A vulnerability in the Session Initiation Protocol (SIP) ingress packet processing of Cisco Unified IP Phone software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition
Published Jun 7, 2018
7.5
HIGHCVSS 3.0
EPSS 3.44%
Description
A vulnerability in the Session Initiation Protocol (SIP) ingress packet processing of Cisco Unified IP Phone software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to a lack of flow-control mechanisms in the software. An attacker could exploit this vulnerability by sending high volumes of SIP INVITE traffic to the targeted device. Successful exploitation could allow the attacker to cause a disruption of services on the targeted IP phone. Cisco Bug IDs: CSCve10064, CSCve14617, CSCve14638, CSCve14683, CSCve20812, CSCve20926, CSCve20945.
Affected products
- Vendor n/a Product Cisco Unified IP Phone Software unknown Defaultn/a
- Version Cisco Unified IP Phone Software unknownStatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Cisco Unified IP Phone Software unknown | n/a |
|
Configuration 1
- 9.9\(9.99002.1\)
Running on/with
- n/a
- n/a
Configuration 2
- 9.9\(9.99002.1\)
Running on/with
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
Configuration 3
- 9.4\(2\)sr3.1
Running on/with
- n/a
- n/a
- n/a
- n/a
Configuration 4
- 9.4\(2\)sr3.1
Running on/with
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
Configuration 5
- 9.4\(2\)sr4
Running on/with
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
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.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
YesTechnical Impact
PartialDecision
n/aAssessed Nov 29, 2024 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (22 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.44% (0.03436) | 88.57th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.48% (0.03480) | 87.54th | v5 (v2026.06.15) |
| Mar 30, 2025 | 2.29% (0.02287) | 83.23th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.02% (0.04019) | 80.47th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.33% (0.02331) | 83.72th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.24% (0.00236) | 62.63th | v3 (v2023.03.01) |
| Dec 8, 2023 | 0.24% (0.00236) | 61.54th | v3 (v2023.03.01) |
| Oct 29, 2023 | 0.26% (0.00260) | 63.50th | v3 (v2023.03.01) |
| Jul 8, 2023 | 0.39% (0.00385) | 69.42th | v3 (v2023.03.01) |
| Jul 6, 2023 | 0.31% (0.00311) | 65.89th | v3 (v2023.03.01) |
| Jun 1, 2023 | 0.32% (0.00316) | 66.01th | v3 (v2023.03.01) |
| May 8, 2023 | 0.28% (0.00276) | 63.32th | v3 (v2023.03.01) |
| Apr 13, 2023 | 0.34% (0.00341) | 67.04th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.36% (0.00363) | 67.96th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.30% (0.01300) | 31.12th | v1 |
| Jan 6, 2022 | 1.30% (0.01300) | 30.48th | v1 |
| Sep 1, 2021 | 1.30% (0.01300) | 69.44th | v1 |
| Apr 14, 2021 | 1.30% (0.01300) | 0.00th | v1 |
References (3)
- http://www.securityfocus.com/bid/104445 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041074 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-ip-phone-dos x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/104445 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1041074 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-ip-phone-dos | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.