How severe is CVE-2017-6790?

CVE-2017-6790 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2017-6790 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-6790?

CVE-2017-6790 primarily affects Cisco Telepresence Video Communication Server. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-6790?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-6790 published?

CVE-2017-6790 was published on 2017-08-17 and last updated on 2026-06-17.

CVE-2017-6790

CVE-2017-6790 is a medium-severity vulnerability in Cisco Telepresence Video Communication Server with a CVSS 3.x base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
CVSS v2: 7.1
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Cisco Telepresence Video Communication Server
Published: 2017-08-17
Last modified: 2026-06-17

Description

A vulnerability in the Session Initiation Protocol (SIP) on the Cisco TelePresence Video Communication Server (VCS) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on the targeted appliance. The vulnerability is due to excessive SIP traffic sent to the device. An attacker could exploit this vulnerability by transmitting large volumes of SIP traffic to the VCS. An exploit could allow the attacker to cause a complete DoS condition on the targeted system. Cisco Bug IDs: CSCve32897.

Frequently asked questions

What is CVE-2017-6790?: A vulnerability in the Session Initiation Protocol (SIP) on the Cisco TelePresence Video Communication Server (VCS) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on the targeted appliance. The vulnerability is due to excessive SIP traffic sent to the device. An attacker could exploit this vulnerability by transmitting large volumes of SIP traffic to the VCS. An exploit could allow the attacker to cause a complete DoS condition on the targeted system. Cisco Bug IDs: CSCve32897.
How severe is CVE-2017-6790?: CVE-2017-6790 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2017-6790 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-6790?: CVE-2017-6790 primarily affects Cisco Telepresence Video Communication Server. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-6790?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-6790 published?: CVE-2017-6790 was published on 2017-08-17 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:a:cisco:telepresence_video_communication_server:x8.7:*:*:*:*:*:*:*
cpe:2.3:a:cisco:telepresence_video_communication_server:x8.7.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:telepresence_video_communication_server:x8.7.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:telepresence_video_communication_server:x8.7.3:*:*:*:*:*:*:*
cpe:2.3:a:cisco:telepresence_video_communication_server:x8.8:*:*:*:*:*:*:*
cpe:2.3:a:cisco:telepresence_video_communication_server:x8.9:*:*:*:*:*:*:*