Security readout for executives and security teams
Plain-English summary
This CVE affects Linaro OP-TEE before 3.7.0. Malformed or inconsistent cryptographic input can crash trusted code and may expose sensitive information. Business risk depends on whether your devices, firmware, or embedded platforms include vulnerable OP-TEE builds.
Executive priority
Treat this as a targeted firmware and embedded-platform inventory item, not a broad internet emergency. Prioritize verification for devices that rely on trusted execution for secrets or cryptographic operations.
Technical view
The issue is in OP-TEE cryptographic update/final handling before version 3.7.0. The CVE states malformed data can cause direct calls to update and final cryptographic functions, leading to a crash and potential sensitive information leakage.
Likely exposure
Likely exposure is limited to products or firmware using Linaro OP-TEE OS before 3.7.0. The source bundle does not identify specific downstream device vendors, models, CPEs, or cloud services.
Exploitation context
No active exploitation is stated in the provided sources, and the CVE is not listed as KEV. Public evidence here supports a crash with possible information disclosure, but not weaponized exploitation in the wild.
Researcher notes
The public bundle lacks CVSS, CWE, CPEs, and downstream affected product mapping. Analysis should focus on OP-TEE version provenance, vendor firmware inheritance, and whether the advisory fix is included in deployed builds.
Mitigation direction
- Identify systems, firmware, and SBOM entries that include OP-TEE OS.
- Upgrade OP-TEE to 3.7.0 or later where directly maintained.
- For appliances, request fixed firmware from the device vendor.
- Review the OP-TEE advisory and referenced commit for vendor-confirmed remediation.
- Prioritize assets handling sensitive keys, secrets, or trusted execution workloads.
Validation and detection
- Confirm deployed OP-TEE versions are not earlier than 3.7.0.
- Check vendor firmware advisories for OP-TEE security updates.
- Verify the referenced fix is present in maintained source builds.
- Review crash or fault logs from trusted execution components.
- Document downstream products where OP-TEE version cannot be verified.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2019-25052 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/OP-TEE/optee_os/security/advisories/GHSA-pgwr-qmgh-vhmfCVE reference · x_refsource_MISC
- https://github.com/OP-TEE/optee_os/commit/34a08bec755670ea0490cb53bbc68058cafc69b6CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.