PT-2020-3672 · Microsoft · Windows Nt Rras+1

Published 2020-08-11 · Updated 2026-02-23 · CVE-2020-1383

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Windows RRAS (affected versions not specified)

Description The issue is related to an information disclosure vulnerability in the Windows RRAS service, which can allow an attacker to obtain sensitive information and further compromise the system. This vulnerability exists when the Routing and Remote Access service is enabled on the server. To exploit this, an attacker would need to run a specially crafted application against an RPC server with Routing and Remote Access enabled. It's noted that Routing and Remote Access is a non-default configuration, and systems without it enabled are not vulnerable.

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

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

BDU:2020-04020

CVE-2020-1383

Affected Products

Windows

Windows Nt Rras

References · 9

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1383 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2020-1383 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-1383 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-1383 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1383 · Security Note
• https://bdu.fstec.ru/vul/2020-04020 · Security Note
• https://t.me/cveNotify/152903 · Telegram Post
• https://t.me/cvenotify/67945 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2020081130 · Note