CVE-2018-7449

HIGHNVD 7.57.5—Elevated

7.5

SEGGER FTP Server for Windows before 3.22a allows remote attackers to cause a denial of service (daemon crash) via an invalid LIST, STOR, or RETR command.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 95.8%
KEV: Not listed

Published

March 4, 2018

Last Modified

November 21, 2024

References (4)

cve@mitrehttp://hyp3rlinx.altervista.org/advisories/SEGGER-embOS-FTP-SERVER-v3.22-FTP-COMMANDS-DENIAL-OF-SERVICE.txt
cve@mitrehttps://www.exploit-db.com/exploits/44221/
af854a3a-2127-422b-91ae-364da2661108http://hyp3rlinx.altervista.org/advisories/SEGGER-embOS-FTP-SERVER-v3.22-FTP-COMMANDS-DENIAL-OF-SERVICE.txt
af854a3a-2127-422b-91ae-364da2661108https://www.exploit-db.com/exploits/44221/

Weakness Classification(1)

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

CWE-20Improper Input Validation

Data Freshness Timeline

(refreshed 7× in last 7d / 29× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-12 23:09 UTCEPSS rescore
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2026-06-11 13:57 UTCEPSS rescore
2026-06-10 22:16 UTCEPSS rescore
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2026-06-06 13:45 UTCEPSS rescore
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2026-06-05 22:45 UTCEPSS rescore
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2026-06-04 13:10 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
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2026-05-31 00:14 UTCEPSS rescore
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2026-05-29 13:41 UTCEPSS rescore
2026-05-28 13:43 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-28 10:51 UTCEG score recompute
2026-05-28 10:51 UTCGHSA enrichment
2026-05-27 13:38 UTCEPSS rescore

Show 4 more

2026-05-26 13:42 UTCEPSS rescore
2026-05-26 13:42 UTCEPSS rescore
2026-05-26 07:17 UTCEPSS rescore
2026-05-26 07:17 UTCEPSS rescore

Publicly available exploits

(2 references)

Working exploit code is in the public domain (1 GitHub PoC) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

GitHub PoCantogit-sys/CVE-2018-7449
First seen May 5, 2023
simple Python exploit using CVE-2018-7449 on embOS/IP FTP Server v3.22
Open source ↗
Exploit-DBEDB-44221
First seen Mar 2, 2018
SEGGER embOS/IP FTP Server 3.22 - Denial of Service
Open source ↗

Frequently asked(5)

What is CVE-2018-7449?

CVE-2018-7449 is a high vulnerability published on March 4, 2018. SEGGER FTP Server for Windows before 3.22a allows remote attackers to cause a denial of service (daemon crash) via an invalid LIST, STOR, or RETR command.

When was CVE-2018-7449 disclosed?

CVE-2018-7449 was first published in the National Vulnerability Database on March 4, 2018, 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-2018-7449 actively exploited?

CVE-2018-7449 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 95.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-7449?

CVE-2018-7449 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2018-7449?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-7449, 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

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CVE-2018-7449

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-7449?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)