PT-2023-1096 · Microsoft · Exchange Server

Chudypb + 1 · Published 2023-01-10 · Updated 2024-05-29 · CVE-2023-21764

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/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 insufficient access control in Microsoft Exchange Server, allowing an attacker to elevate their privileges. This can impact the system, potentially leading to unauthorized access or control.

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

LPE

Untrusted Search Path

Weakness Enumeration

CWE-426

CWE-264

Related Identifiers

BDU:2023-00246

CVE-2023-21764

ZDI-23-012

Affected Products

Exchange Server

References · 12

• https://safe-surf.ru/specialists/bulletins-nkcki/688801 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-21764 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-21764 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-23-012 · Security Note
• https://bdu.fstec.ru/vul/2023-00246 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21764 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-21764 · Vendor Advisory
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-21764 · Note
• https://t.me/cibsecurity/56253 · Telegram Post
• https://t.me/avleonovcom/1073 · Telegram Post
• https://t.me/echeloneyes/1060 · Telegram Post
• https://t.me/cvenotify/41767 · Telegram Post