High severity · published Apr 12, 2020
CVE-2020-11713
wolfSSL 4.3.0 has mulmod code in wc_ecc_mulmod_ex in ecc.c that does not properly resist timing side-channel attacks
7.5
CVSS
2%
EPSS
No
On KEV
Description
wolfSSL 4.3.0 has mulmod code in wc_ecc_mulmod_ex in ecc.c that does not properly resist timing side-channel attacks.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.0% · higher than 81% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WO
Wolfssl · Wolfssl
4.3.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-11713
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-11713
Exploit
https://gist.github.com/pietroborrello/7c5be2d1dc15349c4ffc8671f0aad04f
Patch
https://github.com/wolfSSL/wolfssl/pull/2894/
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