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CyberSigur / Security Intelligence

Known exploited vulnerabilities

Browse CISA's Known Exploited Vulnerabilities catalog. Search by CVE, vendor, or product. Information is published by the US Cybersecurity and Infrastructure Security Agency.

Official CISA source ↗CISA updated: 2026-10-30

1,766 vulnerabilities · Page 89 of 89

CVE-2021-38649

Microsoft Open Management Infrastructure (OMI) Privilege Escalation Vulnerability

Microsoft · Open Management Infrastructure (OMI) · Added: 2021-11-03

Microsoft Open Management Infrastructure (OMI) within Azure VM Management Extensions contains an unspecified vulnerability allowing privilege escalation.

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2021-40444Confirmed ransomware campaign use

Microsoft MSHTML Remote Code Execution Vulnerability

Microsoft · MSHTML · Added: 2021-11-03

Microsoft MSHTML contains a unspecified vulnerability that allows for remote code execution.

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2021-40539Confirmed ransomware campaign use

Zoho ManageEngine ADSelfService Plus Authentication Bypass Vulnerability

Zoho · ManageEngine · Added: 2021-11-03

Zoho ManageEngine ADSelfService Plus contains an authentication bypass vulnerability affecting the REST API URLs which allow for remote code execution.

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2021-41773Confirmed ransomware campaign use

Apache HTTP Server Path Traversal Vulnerability

Apache · HTTP Server · Added: 2021-11-03

Apache HTTP Server contains a path traversal vulnerability that allows an attacker to perform remote code execution if files outside directories configured by Alias-like directives are not under default �require all denied� or if CGI scripts are enabled. The original patch issued under this CVE ID is insufficient, please review remediation information under CVE-2021-42013.

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2021-42013Confirmed ransomware campaign use

Apache HTTP Server Path Traversal Vulnerability

Apache · HTTP Server · Added: 2021-11-03

Apache HTTP Server contains a path traversal vulnerability that allows an attacker to perform remote code execution if files outside directories configured by Alias-like directives are not under default require all denied or if CGI scripts are enabled. This CVE ID resolves an incomplete patch for CVE-2021-41773.

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
CVE-2021-42258Confirmed ransomware campaign use

BQE BillQuick Web Suite SQL Injection Vulnerability

BQE · BillQuick Web Suite · Added: 2021-11-03

BQE BillQuick Web Suite contains an SQL injection vulnerability when accessing the username parameter that may allow for unauthenticated, remote code execution.

CISA recommended action

Apply updates per vendor instructions.

CVE details ↗
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