What is CVE-2022-46486?

CVE-2022-46486 is a medium-severity vulnerability in Scontain Scone, classified under Release of Invalid Pointer or Reference. CVSS score: 5.5/10. Published 2023-12-30.

How severe is CVE-2022-46486?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Scontain Scone

CVE-2022-46486

A lack of pointer-validation logic in the __scone_dispatch component of SCONE before v5.8.0 for Intel SGX allows attackers to access sensitive information.

Published 2023-12-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (24.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 24.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Scontain Scone

Weakness classification (CWE)

CWE-763 — Release of Invalid Pointer or Reference

References

sconedocs.github.io/release5.7/ (Release Notes)
jovanbulck.github.io/files/ccs19-tale.pdf (Technical Description, Exploit, Third Party Advisory)
jovanbulck.github.io/files/oakland24-pandora.pdf (Technical Description, Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-46486?: CVE-2022-46486 is a medium-severity vulnerability in Scontain Scone, classified under Release of Invalid Pointer or Reference. CVSS score: 5.5/10. Published 2023-12-30.
How severe is CVE-2022-46486?: Medium severity. CVSS v3 base score is 5.5 out of 10.