High severity · published Mar 24, 2017
CVE-2017-7243
Eclipse tinydtls 0.8.2 for Eclipse IoT allows remote attackers to cause a denial of service (DTLS peer crash) by sending a "Change cipher spec" packet without pre-handshake
7.5
CVSS
1.8%
EPSS
No
On KEV
Description
Eclipse tinydtls 0.8.2 for Eclipse IoT allows remote attackers to cause a denial of service (DTLS peer crash) by sending a "Change cipher spec" packet without pre-handshake.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.8% · higher than 78% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TI
Tinydtls · Eclipse
0.8.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-7243
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-7243
www.securityfocus.com
http://www.securityfocus.com/bid/97193
Third Party Advisory
https://gist.github.com/k1rh4/25dcb124aef2a8a2a5f4677d64d1998b
Third Party Advisory
https://github.com/k1rh4/CVE/blob/master/tinydtls
More from Tinydtls
7.5
CVE-2021-34430
Eclipse TinyDTLS through 0.9-rc1 relies on the rand function in the C library, which makes it easier for remote attackers to compute the master key and then decrypt DTLS traffic