Weekend Edition: October 4-5, 2025 Archive

Archived Security Snapshot

Critical vulnerabilities, curated daily for security professionals

Archived Security Brief

This week's security landscape featured 17 critical vulnerabilities including Redis memory corruption (CVSS 9.9) and multiple WordPress plugin authentication bypasses. With 11 CISA KEV vulnerabilities actively exploited and only 24% of issues having available patches, organizations face significant exposure across web applications and enterprise infrastructure.

  • Redis memory corruption vulnerability (CVE-2025-49844) with CVSS 9.9 affecting versions 8.2.1 and below
  • WordPress ecosystem targeted with 9 vulnerable plugins including critical authentication bypasses
  • 11 CISA KEV vulnerabilities maintained from earlier this week requiring federal compliance
  • AndSoft e-TMS command injection cluster with 7 critical vulnerabilities
  • Only 24% patch availability rate indicates significant vendor response delays

Immediate action: Prioritize patching Redis instances and WordPress plugins immediately. Review CISA KEV catalog for federal compliance requirements. Implement compensating controls for unpatched vulnerabilities.

How to read this brief

CVSS score (e.g. 9.1) — severity from 0–10. Red marks critical (9+), orange high (7–8.9).

Exploitability — how hard the flaw is to attack, read from the CVSS vector:

  • Network / Adjacent / Local / Physical — how close an attacker must get. Network means reachable over the internet.
  • No / Low / High privileges — the access they need first. No privileges means no login required.
  • No interaction / User interaction — whether a victim has to do something (open a file, click a link). No interaction means fully automatable.

The lower the bar on all three, the easier to exploit at scale — “Network · No privileges · No interaction” is the worst case: hit from anywhere, no credentials, no victim action.

Actively exploited — confirmed under attack in the wild (CISA’s Known Exploited Vulnerabilities catalog). Prioritize these regardless of score.

EPSS · Nth percentile — FIRST.org’s estimated chance a flaw is exploited within 30 days. We flag it only in the top 10% — a statistical signal it’s unusually likely to be targeted, separate from whether attacks are confirmed.

💡 Tip: Swipe CVE cards left to ⭐ star, right to ❌ remove

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