May 7, 2021 Cyber Threat Intelligence

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

Daily summary

  • 10 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-2021-21984 Vmware Vrealize Business For Cloud RCE

  • CVSS 9.8
  • Remote code execution exposure

New critical Vmware Vrealize Business For Cloud RCE (CVSS 9.8) — fresh disclosure window; early internet scanning often precedes mature exploit chains.

Critical exposure

CVE-2021-27573 An issue was discovered in Emote Remote Mouse through 4.0.0.0.

  • CVSS 9.8
  • Potential privilege escalation to admin/root

New critical Remotemouse Emote Remote Mouse privilege escalation (CVSS 9.8) — fresh disclosure window; early internet scanning often precedes mature exploit chains.

Critical exposure

CVE-2021-31755 Tenda AC11 Router Stack Buffer Overflow

  • CVSS 9.8

New critical Tenda AC11 Router Buffer Overflow (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-2021-21984 CVSS 9.8

VMware vRealize Business for Cloud 7.x prior to 7.6.0 contains a remote code execution vulnerability due to an unauthorised end point.

CVE-2021-22671 CVSS 9.8

Multiple integer overflow issues exist while processing long domain names, which may allow an attacker to remotely execute code on the Si...

CVE-2021-22679 CVSS 9.8

The affected product is vulnerable to an integer overflow while processing HTTP headers, which may allow an attacker to remotely execute...

CVE-2021-27437 CVSS 9.1

The affected product allows attackers to obtain sensitive information from the WISE-PaaS dashboard.

CVE-2021-27573 CVSS 9.8

An issue was discovered in Emote Remote Mouse through 4.0.0.0.

CVE-2021-31756 CVSS 9.8

An issue was discovered on Tenda AC11 devices with firmware through 02.03.01.104_CN.

CVE-2021-31757 CVSS 9.8

An issue was discovered on Tenda AC11 devices with firmware through 02.03.01.104_CN.

CVE-2021-31758 CVSS 9.8

An issue was discovered on Tenda AC11 devices with firmware through 02.03.01.104_CN.

CVE-2021-32090 CVSS 9.8

The dashboard component of StackLift LocalStack 0.12.6 allows attackers to inject arbitrary shell commands via the functionName parameter.

View critical disclosures

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