PT-2026-3183 · Unknown · Backup Key Recovery

Erick Galindo · Published 2026-01-15 · Updated 2026-01-16 · CVE-2021-47813

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Backup Key Recovery version 2.2.7

Description The application contains a flaw that allows for denial of service. An attacker can cause the application to crash by providing a large input to the registration code field. Specifically, pasting a buffer of 256 repeated characters into the registration key field can lead to application instability and a potential crash. The vulnerable input field is the registration key field.

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

Exploit

DoS

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2021-47813

Affected Products

Backup Key Recovery

References · 5

• 🔥 https://exploit-db.com/exploits/49966 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-47813 · Security Note
• https://twitter.com/CVEnew/status/2012126479149109261 · Twitter Post
• http://nsauditor.com · Note
• https://vulncheck.com/advisories/backup-key-recovery-denial-of-service-poc · Note