CVE-2020-3256
4.9 · MEDIUMOverview
CVE-2020-3256 is a medium-severity vulnerability affecting cisco hosted_collaboration_mediation_fulfillment. It was published on May 6, 2020 and has a CVSS 3.1 base score of 4.9 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 4.9, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
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.
Remediation
Check the references section for vendor advisories and patches from cisco. Update hosted_collaboration_mediation_fulfillment to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| cisco | hosted_collaboration_mediation_fulfillment | >= 0, < 12.5\(1\)su2 | Affected |
Frequently Asked Questions
What is CVE-2020-3256?
CVE-2020-3256 is a medium-severity vulnerability affecting cisco hosted_collaboration_mediation_fulfillment. It was published on May 6, 2020 and has a CVSS 3.1 base score of 4.9 (MEDIUM).
How severe is CVE-2020-3256?
This vulnerability has a CVSS 3.1 base score of 4.9, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2020-3256?
Check the references section for vendor advisories and patches from cisco. Update hosted_collaboration_mediation_fulfillment to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2020-3256?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-3256 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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