espressif esp-idf 5.5.4/6.0 esp_secure_services.c input validation

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.69-

Summaryinfo

A vulnerability described as problematic has been identified in espressif esp-idf 5.5.4/6.0. Affected by this vulnerability is an unknown functionality of the file esp_secure_services.c. Executing a manipulation can lead to input validation. This vulnerability appears as CVE-2026-45328. The attack requires local access. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic was found in espressif esp-idf 5.5.4/6.0. This vulnerability affects an unknown code block of the file esp_secure_services.c. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. In versions 5.5.4 and 6.0, the esp_tee component exposes secure-service wrappers in esp_secure_services.c and esp_secure_services_iram.c that bridge calls from the user application (i.e. the REE) to TEE-protected hardware peripherals (AES, SHA, ECC, HMAC, SPI, MMU, WDT) and to the security feature like attestation, OTA updates, secure storage. This issue has been patched in versions 5.5.5 and 6.0.1.

The advisory is available at github.com. This vulnerability was named CVE-2026-45328 since 05/11/2026. The exploitation appears to be easy. Local access is required to approach this attack. Technical details are known, but there is no available exploit.

Upgrading to version 5.5.4, 5.5.5, 6.0 or 6.0.1 eliminates this vulnerability. Applying the patch 145ba4c42dc8283054cfde9a1c3470db7399192f is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 9.3
CNA Vector (GitHub_M): 🔒

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: esp-idf 5.5.4/5.5.5/6.0/6.0.1
Patch: 145ba4c42dc8283054cfde9a1c3470db7399192f

Timelineinfo

05/11/2026 CVE reserved
06/10/2026 +30 days Advisory disclosed
06/10/2026 +0 days VulDB entry created
06/10/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-mmgp-73p4-92xp
Status: Confirmed

CVE: CVE-2026-45328 (🔒)
GCVE (CVE): GCVE-0-2026-45328
GCVE (VulDB): GCVE-100-370018

Entryinfo

Created: 06/10/2026 06:26
Changes: 06/10/2026 06:26 (66)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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