CVE-2020-13467

MEDIUMNVD 4.64.6—

4.6

The flash memory readout protection in China Key Systems & Integrated Circuit CKS32F103 devices allows physical attackers to extract firmware via the debug interface and exception handling.

CVSS v3: 4.6
EG Score: 4.6(medium)
EPSS: 18.5%
KEV: Not listed

Published

August 31, 2020

Last Modified

November 21, 2024

References (2)

cve@mitrehttps://www.usenix.org/system/files/woot20-paper-obermaier.pdf
af854a3a-2127-422b-91ae-364da2661108https://www.usenix.org/system/files/woot20-paper-obermaier.pdf

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-755Improper Handling of Exceptional Conditions

Data Freshness Timeline

(refreshed 7× in last 7d / 7× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:39 UTCepss_batch
2026-05-26 23:43 UTCEG score recompute
2026-05-26 23:43 UTCGHSA enrichment
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2020-13467?

CVE-2020-13467 is a medium vulnerability published on August 31, 2020. The flash memory readout protection in China Key Systems & Integrated Circuit CKS32F103 devices allows physical attackers to extract firmware via the debug interface and exception handling.

When was CVE-2020-13467 disclosed?

CVE-2020-13467 was first published in the National Vulnerability Database on August 31, 2020, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2020-13467 actively exploited?

CVE-2020-13467 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 18.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-13467?

CVE-2020-13467 has a CVSS v3 base score of 4.6 (NVD).

How do I remediate CVE-2020-13467?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-13467, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2020-13467

Explore →

Is Your Infrastructure Affected by CVE-2020-13467?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2020-13467

📅 Published

🔄 Last Modified

🔗 References (2)