PT-2019-3805 · Cisco · Cisco Unified Communications Manager+1

Published 2019-10-02 · Updated 2019-10-09 · CVE-2019-12711

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

Name of the Vulnerable Software and Affected Versions Cisco Unified Communications Manager and Cisco Unified Communications Manager Session Management Edition (SME) (affected versions not specified)

Description The issue is related to improper restrictions on XML entities in the web-based interface, which could allow a remote attacker to access sensitive information or cause a denial of service condition. An attacker could exploit this by sending malicious requests that contain references in XML entities, potentially allowing them to retrieve files from the local system or consume available resources.

Recommendations For Cisco Unified Communications Manager and Cisco Unified Communications Manager Session Management Edition (SME), consider restricting access to the web-based interface until a fix is available. As a temporary workaround, consider disabling the processing of external XML entities to minimize the risk of exploitation. Avoid using the web-based interface for sensitive operations until the issue is resolved. 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:2019-04132

CVE-2019-12711

Affected Products

Cisco Unified Communications Manager

Cisco Unified Communications Manager Session Management Edition

References · 4

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20191002-cucm-xxe · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-12711 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-12711 · Security Note
• https://bdu.fstec.ru/vul/2019-04132 · Security Note