Buffer Overflow vulnerability in esp-idf v.5.1 allows a remote attacker to obtain…
Priority LOW 39CWE-120Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.
Summary
Buffer Overflow vulnerability in esp-idf v.5.1 allows a remote attacker to obtain sensitive information via the externalId component.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00967 61st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-33453
- 2026-10-03 Alias added: GHSA-34j4-xx25-wcxg
References
More espressif Esp-idf vulnerabilities
- TI-2024-22076 Buffer Overflow vulnerability in esp-idf v.5.1 allows a remote attacker to execute… CVSS 3.1MEDIUM 6.5
- TI-2026-33125 ESF-IDF: Out-of-Bounds Write in ESP-TEE Secure Service Wrappers CVSS 3.1CRITICAL 9.3
- TI-2025-32598 ESP-NOW Integer Underflow Vulnerability Advisory CVSS 4.0HIGH 7.2
- TI-2022-08703 Espressif Bluetooth Mesh Stack Vulnerable to Out-of-bounds Write leading to memory buffer corruption CVSS 3.1HIGH 8.8
- TI-2021-09371 The Bluetooth Classic implementation in Espressif ESP-IDF 4.4 and earlier does not… CVSS 3.1HIGH 8.8
- TI-2026-33292 ESF-IDF: Remote Null Pointer Dereference in WebSocket Server CVSS 3.1HIGH 7.5
Sources
- CVE-2024-33453 · CVE Program
- CVE-2024-33453 · NVD
- FIRST EPSS
- GHSA-34j4-xx25-wcxg · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences