High severity7.5NVD Advisory· Published Aug 12, 2020· Updated Jun 17, 2026
CVE-2020-16138
CVE-2020-16138
Description
A denial-of-service issue in Cisco Unified IP Conference Station 7937G 1-4-4-0 through 1-4-5-7 allows attackers to remotely disable the device until it is power cycled. Note: We cannot prove this vulnerability exists. Out of an abundance of caution, this CVE is being assigned to better serve our customers and ensure all who are still running this product understand that the product is end of life and should be removed or upgraded. For more information on this, and how to upgrade, refer to the CVE’s reference information
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- Cisco/Unified IP Conference Station 7937Gdescription
1-4-4-0 through 1-4-5-7+ 1 more
- (no CPE)range: 1-4-4-0 through 1-4-5-7
- cpe:2.3:o:cisco:unified_ip_conference_station_7937g_firmware:*:*:*:*:*:*:*:*range: >=1.4.4.0,<=1.4.5.7
Patches
Vulnerability mechanics
References
3- packetstormsecurity.com/files/158819/Cisco-7937G-Denial-Of-Service.htmlnvdExploitThird Party AdvisoryVDB Entry
- www.blacklanternsecurity.com/2020-08-07-Cisco-Unified-IP-Conference-Station-7937G/nvdExploitThird Party Advisory
- www.cisco.com/c/en/us/products/collateral/collaboration-endpoints/unified-ip-phone-7940g/end_of_life_notice_c51-729487.htmlnvdVendor Advisory
News mentions
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