PT-2021-5270 · Microsoft · Exchange Server

Orange_8361 · Published 2021-07-13 · Updated 2025-10-29 · CVE-2021-31196

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

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

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

Description The issue is related to errors in code generation management. It allows a remote attacker to execute arbitrary code, affecting the system.

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

Code Injection

Weakness Enumeration

CWE-94

Related Identifiers

BDU:2021-06096

CVE-2021-31196

Affected Products

Exchange Server

References · 22

• https://osv.dev/vulnerability/CVE-2021-31196 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-06096 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-31196 · Vendor Advisory
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31196 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-31196 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-31196 · Security Note
• https://safe-surf.ru/specialists/bulletins-nkcki/667108 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31196 · Security Note
• https://t.me/securixy_kz/660 · Telegram Post
• https://t.me/cvenotify/91662 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2021071319 · Note
• https://twitter.com/ohhara_shiojiri/status/1826493426876981403 · Twitter Post
• https://t.me/cvenotify/91723 · Telegram Post
• https://t.me/hybgl/1017 · Telegram Post
• https://t.me/securixy_kz/659 · Telegram Post