PT-2023-1097 · Microsoft · Exchange Server

Nicolas Joly · Published 2023-01-10 · Updated 2024-05-29 · CVE-2023-21761

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:C/I:N/A:N

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

Description The issue is related to a lack of protection for service data in Microsoft Exchange Server, which can be exploited to disclose protected information. This can allow an attacker to obtain sensitive information and potentially affect the system. There is no information 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.

SSRF

Information Disclosure

Weakness Enumeration

CWE-918

CWE-200

Related Identifiers

BDU:2023-00247

CVE-2023-21761

Affected Products

Exchange Server

References · 7

• https://safe-surf.ru/specialists/bulletins-nkcki/688801 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21761 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-21761 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-00247 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-21761 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-21761 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-21761 · Note