Jun 1, 2021 Cyber Threat Intelligence

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

Daily summary

  • Veyon: public exploit or PoC linked (privilege escalation)
  • 8 new critical disclosures — review patch status on exposed services.

Top threats today

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

Active exploit activity

CVE-2020-15261 Veyon privilege escalation

  • Public exploit or PoC available
  • Exploit activity linked
  • Potential privilege escalation to admin/root

Veyon privilege escalation now has public exploit or PoC linkage — assume opportunistic scanning and targeted follow-on activity.

Active exploit activity

CVE-2018-16167 Jpcert Logontracer

  • Public exploit or PoC available
  • Exploit activity linked

Public exploit or PoC linked — exploitation bar is lower than disclosure-only CVEs.

Critical exposure

CVE-2020-4561 Ibm Cognos Analytics

  • CVSS 10

New critical disclosure (CVSS 10) — 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

CVE-2020-15261 Exploit

On Windows the Veyon Service before version 4.4.2 contains an unquoted service path vulnerability, allowing locally authenticated users w...

CVE-2018-16167 Exploit

LogonTracer 1.2.0 and earlier allows remote attackers to execute arbitrary OS commands via unspecified vectors.

View new exploit links

Exploitation dynamics

Nothing flagged in this category for this digest.

See EPSS increases

New critical disclosures

CVE-2020-4561 CVSS 10

IBM Cognos Analytics 11.0 and 11.1 DQM API allows submitting of all control requests in unauthenticated sessions.

CVE-2021-24321 CVSS 9.8

The Bello - Directory & Listing WordPress theme before 1.6.0 did not sanitise the bt_bb_listing_field_price_range_to, bt_bb_listing_field...

CVE-2021-25641 CVSS 9.8

Each Apache Dubbo server will set a serialization id to tell the clients which serialization protocol it is working on.

CVE-2021-27828 CVSS 9.1

SQL injection in In4Suite ERP 3.2.74.1370 allows attackers to modify or delete data, causing persistent changes to the application's cont...

CVE-2021-29089 CVSS 9.8

Improper neutralization of special elements used in an SQL command ('SQL Injection') vulnerability in thumbnail component in Synology Pho...

CVE-2021-30179 CVSS 9.8

Apache Dubbo prior to 2.6.9 and 2.7.9 by default supports generic calls to arbitrary methods exposed by provider interfaces.

CVE-2021-30180 CVSS 9.8

Apache Dubbo prior to 2.7.9 support Tag routing which will enable a customer to route the request to the right server.

CVE-2021-30181 CVSS 9.8

Apache Dubbo prior to 2.6.9 and 2.7.9 supports Script routing which will enable a customer to route the request to the right server.

View critical disclosures

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