PT-2021-14561 · Mk-Auth · Mk-Auth

Alan Lacerda + 2 · Published 2021-01-04 · Updated 2021-01-07 · CVE-2021-21495

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions MK-AUTH versions through 19.01 K4.9

Description The issue allows for Cross-Site Request Forgery (CSRF) attacks, which can lead to unauthorized password changes. This is possible via the "central/executar central.php?acao=altsenha princ" URI.

Recommendations For MK-AUTH versions through 19.01 K4.9, consider disabling access to the central/executar central.php?acao=altsenha princ URI as a temporary workaround until a patch is available. Restricting the functionality related to password changes can also help minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

CSRF

Weakness Enumeration

CWE-352

Related Identifiers

CVE-2021-21495

Affected Products

Mk-Auth

References · 5

• 🔥 https://gist.github.com/alacerda/98853283be6009e75b7d94968d50b88e · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-21495 · Security Note
• https://osv.dev/vulnerability/CVE-2021-21495 · Vendor Advisory
• http://mk-auth.com.br · Vendor Advisory
• https://t.me/cibsecurity/21519 · Telegram Post