CVE-2023-6323 json
ThroughTek Kalay SDK insufficient verification of message authenticity
published 2024-05-15 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-58565
- cvss
- 4.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 26%
- public exploits
- 0
- none known
Summary
ThroughTek Kalay SDK does not verify the authenticity of received messages, allowing an attacker to impersonate an authoritative server.
Patch / fix
- ThroughTek Kalay SDK 4.3.4.2
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.33% chance of exploitation in the next 30 days, higher than 26% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- bitdefender.com https://bitdefender.com/blog/labs/notes-on-throughtek-kalay-vulnerabilities-and-their-impact/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.3 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected products
- ThroughTek Kalay SDK
- throughtek kalay_sdk
Classification
- Weakness
-
- CWE-345 Insufficient Verification of Data Authenticity
References
-
bitdefender.com
/blog/labs/notes-on-throughtek-kalay-vulnerabilities-and-their-impact/
exploit, third-party-advisory
Sources
- CVE List CVE-2023-6323
- NVD CVE-2023-6323
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