VDB
CVE-2025-11933
CVE-2025-11933
PUBLISHED
CVSS 2.299999952316284 LOW
Improper Input Validation in the TLS 1.3 CKS extension parsing in wolfSSL 5.8.2 and earlier on multiple platforms allows a remote unauthenticated attacker to potentially cause a denial-of-service via a crafted ClientHello message with duplicate CKS extensions.
EPSS 0.45% · 38.2th percentile
Risk Scores
CVSS 4.0
2.299999952316284
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS Score
0.45%
38.2th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| wolfssl | wolfssl | 5.8.2 |
| wofSSL | wolfSSL | 3.12.0 |
Timeline
- Jan 21, 1970 Fix PR Merged
- Oct 17, 2025 CVE ID Reserved
- Nov 21, 2025 CVE Published
- Nov 21, 2025 PoC Published
- Nov 22, 2025 EPSS Score
- Nov 22, 2025 Coalition ESS Score
- Nov 28, 2025 EPSS Score
- Nov 30, 2025 Coalition ESS Score
- Dec 3, 2025 EPSS Score
- Dec 3, 2025 Coalition ESS Score
- Dec 6, 2025 Coalition ESS Score
- Dec 8, 2025 CVE Updated