CVE-2019-1888
highpriority · track · 30EPSS 0.034 · 89 %ileEURUUSEPSS · scored 2026-10-27
A vulnerability in the Administration Web Interface of Cisco Unified Contact Center Express (Unified CCX) could allow an authenticated, remote attacker to upload arbitrary files and execute commands on the underlying operating system. To exploit this vulnerability, an attacker needs valid Administrator credentials. The vulnerability is due to insufficient restrictions for the content uploaded to an affected system. An attacker could exploit this vulnerability by uploading arbitrary files containing operating system commands that will be executed by an affected system. A successful exploit could allow the attacker to execute arbitrary commands with the privileges of the web interface and then elevate their privileges to root.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedCisco Unified Contact Center Expresscisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.6–9
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (8)
Products and version ranges known to be affected.
- cisco unified contact center express= 11.6(1)nvdUScpe:2.3:a:cisco:unified_contact_center_express:*:*:*:*:*:*:*:*
- cisco unified contact center express= 11.6(2)nvdUScpe:2.3:a:cisco:unified_contact_center_express:*:*:*:*:*:*:*:*
- cisco unified contact center express= 12.0(1)nvdUScpe:2.3:a:cisco:unified_contact_center_express:*:*:*:*:*:*:*:*
- cisco unified ip interactive voice response= 11.6(1)nvdUScpe:2.3:a:cisco:unified_ip_interactive_voice_response:*:*:*:*:*:*:*:*
- cisco unified ip interactive voice response= 11.6(2)nvdUScpe:2.3:a:cisco:unified_ip_interactive_voice_response:*:*:*:*:*:*:*:*
advisories (1)
Vendor and ecosystem advisories describing this.
- cisco-sa-uccx-privesc-Zd7bvwyfCisco Unified Contact Center Express Privilege Escalation Vulnerability2020-02-19csaf · cisco_csafUS
A vulnerability in the Administration Web Interface of Cisco Unified Contact Center Express (Unified CCX) could allow an authenticated, remote attacker to upload arbitrary files and execute commands on the underlying operating system. To exploit this vulnerability, an attacker needs valid Administrator credentials. The vulnerability is due to insufficient restrictions for the content uploaded to an affected system. An attacker could exploit this vulnerability by uploading arbitrary files containing operating system commands that will be executed by an affected system. A successful exploit could allow the attacker to execute arbitrary commands with the privileges of the web interface and then elevate their privileges to root. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-uccx-privesc-Zd7bvwyf ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-uccx-privesc-Zd7bvwyf"]
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- https://packetstormsecurity.com/files/156531/Cisco-Unified-Contact-Center-Express-Privilege-Escalation.htmlcnnvd
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-uccx-privesc-Zd7bvwyfcnnvd
- https://vigilance.fr/vulnerability/Cisco-Unified-Contact-Center-Express-file-upload-via-Administration-Web-Interface-31644cnnvd
- https://www.auscert.org.au/bulletins/ESB-2020.0603/cnnvd
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-uccx-privesc-Zd7bvwyfenisa_euvd
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-uccx-privesc-Zd7bvwyfVendor Advisorynvd
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