Important CVSS 5.5 EPSS 0.04556 2020-03 archive

Executive Summary

An information disclosure vulnerability exists in the Remote Desktop Connection Manager (RDCMan) application when it improperly parses XML input containing a reference to an external entity. An attacker who successfully exploited this vulnerability could read arbitrary files via an XML external entity (XXE) declaration. To exploit the vulnerability, an attacker could create an RDG file containing specially crafted XML content and convince an authenticated user to open the file.

Overview

5.5
CVSS MEDIUM
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Information Disclosure
Released Mar 10 2020
Last Updated Mar 10 2020
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.04556 — 0.9037 percentile
NVD CVSS 5.5 MEDIUM — differs from MSRC

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
ATTACK VECTOR
Local
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
None
USER INTERACTION
Required
SCOPE
Unchanged

EPSS Score

0.04556
probability of exploitation in the next 30 days
0.9037 percentile - updated 2026-06-21
View on FIRST.org

Affected Products

1 affected product
Product KB Article Severity Impact Restart Required
Remote Desktop Connection Manager 2.7 Moderate Information Disclosure None Base: N/A Temporal: N/A Vector: N/A Unknown Unknown None Remote Desktop Connection Manager v2.82 Release Notes (Security Update) Important Information Disclosure Maybe

Patches

1 patch
Article Type Restart
Release Notes Security Update Maybe

Known Exploits

Acknowledgments

Ethan Sterling, RunningSnail of PingAn Galaxy Lab