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Vulnerability details: VCID-9hdy-aqa2-w3bd
Vulnerability ID VCID-9hdy-aqa2-w3bd
Aliases CVE-2024-5814
Summary A malicious TLS1.2 server can force a TLS1.3 client with downgrade capability to use a ciphersuite that it did not agree to and achieve a successful connection. This is because, aside from the extensions, the client was skipping fully parsing the server hello. https://doi.org/10.46586/tches.v2024.i1.457-500
Status Published
Exploitability 0.5
Weighted Severity 4.6
Risk 2.3
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
epss 0.00218 https://api.first.org/data/v1/epss?cve=CVE-2024-5814
epss 0.00218 https://api.first.org/data/v1/epss?cve=CVE-2024-5814
epss 0.00218 https://api.first.org/data/v1/epss?cve=CVE-2024-5814
epss 0.00218 https://api.first.org/data/v1/epss?cve=CVE-2024-5814
epss 0.00218 https://api.first.org/data/v1/epss?cve=CVE-2024-5814
epss 0.00218 https://api.first.org/data/v1/epss?cve=CVE-2024-5814
epss 0.00218 https://api.first.org/data/v1/epss?cve=CVE-2024-5814
epss 0.00218 https://api.first.org/data/v1/epss?cve=CVE-2024-5814
epss 0.00218 https://api.first.org/data/v1/epss?cve=CVE-2024-5814
epss 0.00218 https://api.first.org/data/v1/epss?cve=CVE-2024-5814
epss 0.00218 https://api.first.org/data/v1/epss?cve=CVE-2024-5814
epss 0.00218 https://api.first.org/data/v1/epss?cve=CVE-2024-5814
epss 0.00218 https://api.first.org/data/v1/epss?cve=CVE-2024-5814
cvssv4 5.1 https://github.com/wolfSSL/wolfssl/blob/master/ChangeLog.md#add_later
ssvc Track https://github.com/wolfSSL/wolfssl/blob/master/ChangeLog.md#add_later
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2024-5814
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-5814
1081791 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1081791
ChangeLog.md#add_later https://github.com/wolfSSL/wolfssl/blob/master/ChangeLog.md#add_later
No exploits are available.
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/AU:Y/V:D/RE:M/U:Green Found at https://github.com/wolfSSL/wolfssl/blob/master/ChangeLog.md#add_later
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-08-27T19:18:34Z/ Found at https://github.com/wolfSSL/wolfssl/blob/master/ChangeLog.md#add_later
Exploit Prediction Scoring System (EPSS)
Percentile 0.44455
EPSS Score 0.00218
Published At April 12, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T16:38:11.570186+00:00 Debian Oval Importer Import https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.0.0