CVE-2021-42142
Critical
Description
An issue was discovered in Contiki-NG tinyDTLS through master branch 53a0d97. DTLS servers mishandle the early use of a large epoch number. This vulnerability allows remote attackers to cause a denial of service and false-positive packet drops.
SeverityCritical
CVSS9.8
Exploit probability—
ProductContiki-ng Tinydtls
PublishedJan 23, 2024
First seenJan 23, 2024
Weakness typeCWE-770Allocation of resources without limits
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| contiki-ng tinydtls | v ≤ 2018-08-30 | — |
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