EPSS Score
Source: FIRST.org · 2026-05-24
0.66%
probability
This CVE has a 0.66% probability
of being exploited in the next 30 days.
0%
Top 71.4th percentile of all CVEs
100%
CVSS score unavailable
Neither CIRCL nor NVD returned a CVSS score for this CVE.
View on VulnerabilityLookup ↗
Affected Products
Attack Intelligence
KRACK Demo: Critical Key Reinstallation Attack Against Widely-Used WPA2 Wi-Fi Protocol
TheHackerNews
Security Advisory 2017-021
CERT-EU
Oct 17, 2017
Signal Intelligence
Confidence
95%
EPSS
0.66%
Mentions
2
Last Seen
Oct 17, 2017
CNA Information
Analyst Note
CVE-2017-13077 is part of the KRACK (Key Reinstallation Attacks) disclosure, a watershed vulnerability in WPA2 affecting billions of devices. The attack was demonstrated in the wild and publicly disclosed on 2017-10-16 by researchers, with vendors simultaneously releasing patches. This is a textbook zero-day: exploitation demonstrated before/concurrent with patch availability in October 2017.
Triage Info
Decided atMar 05, 2026