CVE-2023-21629

MEDIUMNVD 6.86.8—

6.8

Memory Corruption in Modem due to double free while parsing the PKCS15 sim files.

CVSS v3: 6.8
EG Score: 6.8(medium)
EPSS: 24.9%
KEV: Not listed

Published

July 4, 2023

Last Modified

August 11, 2025

References (2)

product-security@qualcommhttps://www.qualcomm.com/company/product-security/bulletins/july-2023-bulletin
af854a3a-2127-422b-91ae-364da2661108https://www.qualcomm.com/company/product-security/bulletins/july-2023-bulletin

Weakness Classification(1)

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

CWE-415Double Free

Data Freshness Timeline

(refreshed 11× in last 7d / 19× 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.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-24 22:05 UTCEG score recompute
2026-05-24 22:05 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2023-21629?

CVE-2023-21629 is a medium vulnerability published on July 4, 2023. Memory Corruption in Modem due to double free while parsing the PKCS15 sim files.

When was CVE-2023-21629 disclosed?

CVE-2023-21629 was first published in the National Vulnerability Database on July 4, 2023, with the most recent update on August 11, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-21629 actively exploited?

CVE-2023-21629 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 24.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-21629?

CVE-2023-21629 has a CVSS v3 base score of 6.8 (NVD).

How do I remediate CVE-2023-21629?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-21629, 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-2023-21629

Explore →

Is Your Infrastructure Affected by CVE-2023-21629?

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

Start Free Scan →Browse All CVEs

CVE-2023-21629

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-21629?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)