PT-2021-6338 · Microsoft · Windows+1

Published 2021-12-14 · Updated 2022-07-12 · CVE-2021-43228

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

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

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

Description The SymCrypt library in the Windows operating system contains a denial-of-service vulnerability related to uncontrolled resource consumption. This issue can be exploited by a remote attacker to cause a denial of service.

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

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

BDU:2022-01344

CVE-2021-43228

Affected Products

Symcrypt

Windows

References · 9

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-43228 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-01344 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43228 · Vendor Advisory
• https://safe-surf.ru/specialists/bulletins-nkcki/673057 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-43228 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-43228 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43228 · Security Note
• https://osv.dev/vulnerability/CVE-2021-43228 · Vendor Advisory
• https://t.me/cvenotify/24800 · Telegram Post