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MitreCVE-2021-42147HistoryJan 24, 2024 - 7:15 p.m.
CVE-2021-42147
2024-01-2419:15:08
CWE-125
mitre
web.nvd.nist.gov
15
cve
2021
42147
buffer over-read
vulnerability
contiki-ng
tinydtls
denial of service
CVSS3
9.1
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
AI Score
8.7
Confidence
High
EPSS
0.001
Percentile
48.6%
Buffer over-read vulnerability in the dtls_sha256_update function in Contiki-NG tinyDTLS through master branch 53a0d97 allows remote attackers to cause a denial of service via crafted data packet.
Affected configurations
Node
contiki-ngtinydtlsMatch2018-08-30
| Vendor | Product | Version | CPE |
|---|---|---|---|
| contiki-ng | tinydtls | 2018-08-30 | cpe:2.3:a:contiki-ng:tinydtls:2018-08-30:*:*:*:*:*:*:* |
References
Related
nvd
nvd
CVE-2021-42147
2024-01-24 19:15:08
cvelist
cvelist
CVE-2021-42147
2024-01-24 00:00:00
prion
prion
Buffer overflow
2024-01-24 19:15:00
CVSS3
9.1
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
AI Score
8.7
Confidence
High
EPSS
0.001
Percentile
48.6%
Related for CVE-2021-42147