A vulnerability in the Session Initiation Protocol (SIP) of the Cisco TelePresence Codec (TC) and Collaboration Endpoint (CE) Software could allow an unauthenticated, remote attacker to cause a TelePresence endpoint to reload unexpectedly, resulting in a denial of service (DoS) condition
Published Jun 8, 2017
7.5
HIGHCVSS 3.0
EPSS 3.56%
Description
A vulnerability in the Session Initiation Protocol (SIP) of the Cisco TelePresence Codec (TC) and Collaboration Endpoint (CE) Software could allow an unauthenticated, remote attacker to cause a TelePresence endpoint to reload unexpectedly, resulting in a denial of service (DoS) condition. The vulnerability is due to a lack of flow-control mechanisms within the software. An attacker could exploit this vulnerability by sending a flood of SIP INVITE packets to the affected device. An exploit could allow the attacker to impact the availability of services and data of the device, including a complete DoS condition. This vulnerability affects the following Cisco TC and CE platforms when running software versions prior to TC 7.3.8 and CE 8.3.0. Cisco Bug IDs: CSCux94002.
Affected products
- Vendor n/a Product Cisco TelePresence Endpoint Denial of Service Vulnerability Defaultn/a
- Version Cisco TelePresence Endpoint Denial of Service VulnerabilityStatusaffectedConstraints-
- 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 TelePresence Endpoint Denial of Service Vulnerability | n/a |
|
- 8.2.2
- 3.1.5
- 3.1_base
- 4.1.0
- 4.1.1
- 4.1.2
- 4.1_base
- 4.2.0
- 4.2.1
- 4.2.2
- 4.2.3
- 4.2.4
- 4.2_base
- 5.0.2
- 5.0.2-cucm
- 5.0_base
- 5.1.3
- 5.1.3-cucm
- 5.1.4
- 5.1.4-cucm
- 5.1.5
- 5.1.5-cucm
- 5.1.6
- 5.1.6-cucm
- 5.1.7
- 5.1.7-cucm
- 5.1.11
- 5.1.13
- 5.1_base
- 6.0.0
- 6.0.0-cucm
- 6.0.1
- 6.0.1-cucm
- 6.0.2
- 6.0.3
- 6.0.4
- 6.0_base
- 6.1.0
- 6.1.0-cucm
- 6.1.1
- 6.1.1-cucm
- 6.1.2
- 6.1.2-cucm
- 6.1.3
- 6.1.4
- 6.1_base
- 6.3.0
- 6.3.1
- 6.3.2
- 6.3.3
- 6.3.4
- 6.3.5
- 7.1.0
- 7.1.1
- 7.1.2
- 7.1.3
- 7.1.4
- 7.2.0
- 7.2.1
- 7.3.0
- 7.3.1
- 7.3.2
- 7.3.3
- 7.3.6
- 7.3.7
- 8.2.0
- 8.2.1
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: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 2, 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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 3.56% (0.03564) | 88.98th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.56% (0.03564) | 87.82th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.58% (0.00583) | 67.08th | v4 (v2025.03.14) |
| Dec 17, 2024 | 0.24% (0.00236) | 61.23th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.36% (0.00356) | 71.26th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.36% (0.00356) | 67.60th | 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/98934 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1038624 vdb-entryx_refsource_SECTRACK
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170607-tele x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/98934 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1038624 | vdb-entryx_refsource_SECTRACK | |
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170607-tele | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.