PT-2023-1072 · Microsoft · Exchange Server

Chudypb + 1 · Published 2023-01-10 · Updated 2024-10-18 · CVE-2023-21745

Positive Technologies (AI Summary)

CVSS v3.1

8.0

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Microsoft Exchange Server (affected versions not specified)

Description The issue is related to a spoofing vulnerability in Microsoft Exchange Server, allowing remote attackers to conduct spoofing attacks by accessing the channel from a non-endpoint. This vulnerability enables attackers to affect the system. The estimated number of potentially affected devices worldwide is not available. There is no information about real-world incidents where this issue was exploited.

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

Deserialization of Untrusted Data

Weakness Enumeration

CWE-300

CWE-502

Related Identifiers

BDU:2023-00205

CVE-2023-21745

ZDI-23-003

ZDI-23-006

Affected Products

Exchange Server

References · 8

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21745 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-23-006 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-23-003 · Security Note
• https://bdu.fstec.ru/vul/2023-00205 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-21745 · Security Note
• https://osv.dev/vulnerability/CVE-2023-21745 · Vendor Advisory
• https://t.me/cvenotify/42275 · Telegram Post
• https://twitter.com/TheZDIBugs/status/1847294763696881726 · Twitter Post