PT-2021-2712 · Microsoft · Internet Messaging Api+1

Hackyzh + 1 · Published 2021-04-13 · Updated 2023-12-29 · CVE-2021-27089

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 Windows (affected versions not specified) Microsoft Internet Messaging API (affected versions not specified)

Description The issue is related to insecure privilege management in the Windows Event Tracing service and incorrect code generation handling in the Internet Messaging API component. This can allow an attacker to elevate their privileges or execute arbitrary code, potentially affecting the system.

Recommendations For Windows, consider restricting access to the Windows Event Tracing service until a patch is available. For Microsoft Internet Messaging API, avoid using the component until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Privilege Management

Code Injection

Weakness Enumeration

CWE-269

CWE-94

Related Identifiers

BDU:2021-02244

BDU:2021-02245

CVE-2021-27089

Affected Products

Internet Messaging Api

Windows

References · 9

• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-27089 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-02245 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-27088 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27089 · Security Note
• https://osv.dev/vulnerability/CVE-2021-27089 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-02244 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27089 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-27089 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-27089 · Vendor Advisory