PT-2021-3014 · Microsoft · Exchange Server

Orange Tsai · Published 2021-05-11 · Updated 2026-02-26 · CVE-2021-31195

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 incorrect code generation management in Microsoft Exchange Server. It allows a remote attacker to execute arbitrary code.

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

Spoofing

RCE

Authentication Bypass by Spoofing

Code Injection

Weakness Enumeration

CWE-290

CWE-94

Related Identifiers

BDU:2021-02616

CVE-2021-31195

Affected Products

Exchange Server

References · 11

• https://nvd.nist.gov/vuln/detail/CVE-2021-31195 · Security Note
• https://osv.dev/vulnerability/CVE-2021-31195 · Vendor Advisory
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31195 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-31195 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-02616 · Security Note
• https://t.me/securixy_kz/659 · Telegram Post
• https://t.me/hybgl/1017 · Telegram Post
• https://t.me/securixy_kz/660 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2021051112 · Note
• https://t.me/cvenotify/112892 · Telegram Post
• https://t.me/CVEtracker/45875 · Telegram Post