Dec 19, 2021 Cyber Threat Intelligence

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

Daily summary

  • 2 material risk changes today across KEV, exploits, critical disclosures, and EPSS movers.

Top threats today

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

Critical exposure

CVE-2021-44159 4MOSAn GCB Doctor’s file upload function has improper user privilege control.

  • CVSS 9.8
  • Potential privilege escalation to admin/root

New critical 4mosan Gcb Doctor privilege escalation (CVSS 9.8) — fresh disclosure window; early internet scanning often precedes mature exploit chains.

Critical exposure

CVE-2021-44164 Chinasea Qb Smart Service Robot

  • CVSS 9.8

New critical disclosure (CVSS 9.8) — high severity with a short public awareness window before exploit material typically surfaces.

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-2021-44159 CVSS 9.8

4MOSAn GCB Doctor’s file upload function has improper user privilege control.

CVE-2021-44164 CVSS 9.8

Chain Sea ai chatbot system’s file upload function has insufficient filtering for special characters in URLs, which allows a remote attac...

View critical disclosures

cvelogic Threat Intelligence