Linaro's open source TEE solution called OP-TEE, version 2.4.0 (and older) is vulnerable to the bellcore attack in the LibTomCrypt code resulting in compromised private RSA key.
Conclusion & alert: CVE-2017-1000412 is rated Moderate Risk (49.7/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.34%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-07-19 | 0.36% | 0.34% | -0.02% |
| 2 | 2025-03-30 | 0.71% | 0.36% | -0.34% |
| 3 | 2025-03-29 | — | 0.71% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.0 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2017-1000412 unimportant priority: Debian including 1 source packages (optee-os), 3 status rows across 3 suites (forky, sid, trixie): resolved 3. | https://security-tracker.debian.org/tracker/CVE-2017-1000412 |
| URL | Tags |
|---|---|
| https://github.com/OP-TEE/optee_os/blob/2.5.0/CHANGELOG.md | Third Party Advisory |
| https://github.com/OP-TEE/optee_os/pull/1610 | Third Party Advisory |
| https://www.op-tee.org/security-advisories/ | Vendor Advisory |