PT-2020-3801 · Microsoft · Windows Speech Runtime+1

Zhiniang Peng · Published 2020-08-11 · Updated 2024-01-19 · CVE-2020-1521

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions: Windows Speech Runtime (affected versions not specified)

Description: The issue is related to an elevation of privilege vulnerability that occurs when the Windows Speech Runtime improperly handles memory. To exploit this, an attacker must first gain execution on the victim system and then run a specially crafted application to elevate privileges. This vulnerability can be exploited by running a specially crafted application, allowing an attacker to elevate privileges.

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

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

BDU:2020-04163

CVE-2020-1521

Affected Products

Windows

Windows Speech Runtime

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2020-1521 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1521 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-1521 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2020-1521 · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-04163 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1521 · Security Note
• https://cybersecurity-help.cz/vdb/SB2020081111 · Note