Cisco Hosted Collaboration Mediation Fulfillment XML External Expansion Vulnerability

cisco-sa-hcmf-xxe-qqCMAUJ2 · Medium · Published · Updated

Data: Cisco advisories · Cisco CSAF · NVD CVEs · NVD CPEs · CISA KEV · EPSS

A vulnerability in the web-based management interface of Cisco Hosted Collaboration Mediation Fulfillment (HCM-F) Software could allow an authenticated, remote attacker to gain read access to information that is stored on an affected system. To exploit this vulnerability, an attacker would need administrative privileges on the Cisco HCM-F Software. The vulnerability is due to improper handling of XML External Entity (XXE) entries when parsing certain XML files. An attacker could exploit this vulnerability by sending malicious requests that contain references in XML entities to an affected system. A successful exploit could allow the attacker to retrieve files from the local system, resulting in the disclosure of sensitive information. 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-hcmf-xxe-qqCMAUJ2

Workarounds

There are no workarounds that address this vulnerability.

CVEsCVE-2020-3256
Cisco Bug IDsCSCvq03653
CVSS ScoreBase 4.9
Base 4.9 CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:X/RL:X/RC:X

Products with public affected evidence