PT-2020-2503 · Cisco · Cisco Hosted Collaboration Mediation Fulfillment (Hcm-F)

Published 2020-05-06 · Updated 2020-05-12 · CVE-2020-3256

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Medium

Base vector

AV:N/AC:L/Au:S/C:C/I:N/A:N

Name of the Vulnerable Software and Affected Versions Cisco Hosted Collaboration Mediation Fulfillment (HCM-F) Software (affected versions not specified)

Description The issue is related to the improper handling of XML External Entity (XXE) entries when parsing certain XML files in the web-based management interface of the software. This could allow an authenticated, remote attacker with administrative privileges to gain read access to information stored on an affected system by sending malicious requests that contain references in XML entities. A successful exploit could result in the disclosure of sensitive information, including the retrieval of files from the local system.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

XXE

Weakness Enumeration

CWE-611

Related Identifiers

BDU:2020-02514

CVE-2020-3256

Affected Products

Cisco Hosted Collaboration Mediation Fulfillment (Hcm-F)

References · 5

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hcmf-xxe-qqCMAUJ2 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-3256 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-3256 · Security Note
• https://bdu.fstec.ru/vul/2020-02514 · Security Note
• https://t.me/cvenotify/3591 · Telegram Post