PT-2023-1095 · Microsoft · Exchange Server

Chudypb + 1 · Published 2023-01-10 · Updated 2024-05-29 · CVE-2023-21763

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, which can be exploited to elevate privileges. This allows an attacker to affect the system. No information is provided about the estimated number of potentially affected devices worldwide or 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.

LPE

Untrusted Search Path

Weakness Enumeration

CWE-426

CWE-264

Related Identifiers

BDU:2023-00245

CVE-2023-21763

ZDI-23-011

Affected Products

Exchange Server

References · 12

• https://osv.dev/vulnerability/CVE-2023-21763 · Vendor Advisory
• https://safe-surf.ru/specialists/bulletins-nkcki/688801 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-21763 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-23-011 · Security Note
• https://bdu.fstec.ru/vul/2023-00245 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21763 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-21763 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-21763 · Note
• https://t.me/echeloneyes/1060 · Telegram Post
• https://t.me/cibsecurity/56253 · Telegram Post
• https://t.me/avleonovcom/1073 · Telegram Post
• https://t.me/cvenotify/41767 · Telegram Post