Nov 30, 2021 Cyber Threat Intelligence

Track daily vulnerability activity, KEV additions, public exploits, critical disclosures, and EPSS risk shifts.

Daily summary

  • 6 new critical disclosures — review patch status on exposed services.

Top threats today

Three highest-priority changes — analyst brief, not a CVE dump.

Critical exposure

CVE-2021-41677 Os4ed Opensis SQL Injection

  • CVSS 9.8

New critical Os4ed Opensis SQL Injection (CVSS 9.8) — fresh disclosure window; early internet scanning often precedes mature exploit chains.

Critical exposure

CVE-2021-41678 Os4ed Opensis SQL Injection

  • CVSS 9.8

New critical Os4ed Opensis SQL Injection (CVSS 9.8) — fresh disclosure window; early internet scanning often precedes mature exploit chains.

Critical exposure

CVE-2021-41679 Os4ed Opensis SQL Injection

  • CVSS 9.8

New critical Os4ed Opensis SQL Injection (CVSS 9.8) — fresh disclosure window; early internet scanning often precedes mature exploit chains.

Active exploitation

CISA KEV — confirmed in-the-wild exploitation.

Nothing flagged in this category for this digest.

View KEV additions

Exploit & PoC activity

Nothing flagged in this category for this digest.

View new exploit links

Exploitation dynamics

Nothing flagged in this category for this digest.

See EPSS increases

New critical disclosures

CVE-2021-41677 CVSS 9.8

A SQL injection vulnerability exists in version 8.0 of openSIS when MySQL or MariaDB is used as the application database.

CVE-2021-41678 CVSS 9.8

A SQL injection vulnerability exists in version 8.0 of openSIS when MySQL or MariaDB is used as the application database.

CVE-2021-41679 CVSS 9.8

A SQL injection vulnerability exists in version 8.0 of openSIS when MySQL or MariaDB is used as the application database.

CVE-2021-42099 CVSS 9.8

Zoho ManageEngine M365 Manager Plus before 4421 is vulnerable to file-upload remote code execution.

CVE-2021-43202 CVSS 9.8

In JetBrains TeamCity before 2021.1.3, the X-Frame-Options header is missing in some cases.

CVE-2021-43319 CVSS 9.8

Zoho ManageEngine Network Configuration Manager before 125488 is vulnerable to command injection due to improper validation in the Ping f...

View critical disclosures

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