PT-2021-3095 · Microsoft · Exchange Server

Rskvp93 · CVE-2021-31198 · Published 2021-05-11 · Updated 2023-08-02

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/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 incorrect code generation management in Microsoft Exchange Server, allowing remote attackers to execute arbitrary code. This can be exploited by attackers to gain unauthorized access.

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

RCE

Code Injection

Weakness Enumeration

CWE-20

CWE-94

Related Identifiers

BDU:2021-02718

CVE-2021-31198

ZDI-21-894

Affected Products

Exchange Server

References · 8

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31198 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31198 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-21-894 · Security Note
• https://bdu.fstec.ru/vul/2021-02718 · Security Note
• https://osv.dev/vulnerability/CVE-2021-31198 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-31198 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-31198 · Vendor Advisory
• https://cybersecurity-help.cz/vdb/SB2021051112 · Note