CVE-2023-38562 json
A double-free vulnerability exists in the IP header loopback parsing functionality of Weston Embedded uC-TCP-IP v3.06.01.
published 2024-02-20 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-42361
- cvss
- 8.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 65%
- public exploits
- 0
- none known
Summary
A double-free vulnerability exists in the IP header loopback parsing functionality of Weston Embedded uC-TCP-IP v3.06.01. A specially crafted set of network packets can lead to memory corruption, potentially resulting in code execution. An attacker can send a sequence of unauthenticated packets to trigger this vulnerability.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
1.08% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- talosintelligence.com https://talosintelligence.com/vulnerability_reports/TALOS-2023-1829 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.7 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H |
| NVD | 3.1 | 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H |
Affected products
- Weston Embedded uC-TCP-IP
- weston-embedded uc-tcp-ip
Classification
- Weakness
-
- CWE-415 Double Free
References
-
talosintelligence.com
/vulnerability_reports/TALOS-2023-1829
exploit, third-party-advisory
- talosintelligence.com /vulnerability_reports/TALOS-2023-1829
Sources
- CVE List CVE-2023-38562
- NVD CVE-2023-38562
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