CVE-2020-14149

HIGHNVD 7.57.5—

7.5

In uftpd before 2.12, handle_CWD in ftpcmd.c mishandled the path provided by the user, causing a NULL pointer dereference and denial of service, as demonstrated by a CWD /.. command.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 68.8%
KEV: Not listed

Published

June 15, 2020

Last Modified

November 21, 2024

References (8)

cve@mitrehttp://lists.opensuse.org/opensuse-security-announce/2020-06/msg00052.html
cve@mitrehttps://bugs.gentoo.org/726308
cve@mitrehttps://github.com/troglobit/uftpd/issues/30
cve@mitrehttps://github.com/troglobit/uftpd/releases/tag/v2.12
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00052.html
af854a3a-2127-422b-91ae-364da2661108https://bugs.gentoo.org/726308
af854a3a-2127-422b-91ae-364da2661108https://github.com/troglobit/uftpd/issues/30
af854a3a-2127-422b-91ae-364da2661108https://github.com/troglobit/uftpd/releases/tag/v2.12

Weakness Classification(1)

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

CWE-476NULL Pointer Dereference

Data Freshness Timeline

(refreshed 11× in last 7d / 20× 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.

2026-06-04 13:10 UTCepss_batch
2026-06-04 13:10 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 02:27 UTCEG score recompute
2026-05-27 02:27 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-2020-14149?

CVE-2020-14149 is a high vulnerability published on June 15, 2020. In uftpd before 2.12, handle_CWD in ftpcmd.c mishandled the path provided by the user, causing a NULL pointer dereference and denial of service, as demonstrated by a CWD /.. command.

When was CVE-2020-14149 disclosed?

CVE-2020-14149 was first published in the National Vulnerability Database on June 15, 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-2020-14149 actively exploited?

CVE-2020-14149 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 68.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-14149?

CVE-2020-14149 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2020-14149?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-14149, 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-2020-14149

Explore →

Is Your Infrastructure Affected by CVE-2020-14149?

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

Start Free Scan →Browse All CVEs

CVE-2020-14149

📅 Published

🔄 Last Modified

🔗 References (8)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-14149?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (8)

Frequently asked(5)

Related CVEs(same CWE)