CVE-2001-0550

NONECVSS 0.0Weaponized
0.0
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 75%
CISA-KEV: Not listedEPSS: 75%CVSS: —Exploit: NoneExposed: 0

A fix is available — apply it.

wu-ftpd 2.6.1 allows remote attackers to execute arbitrary commands via a "~{" argument to commands such as CWD, which is not properly handled by the glob function (ftpglob).

CVSS v3
—
EG Score
0.0(none)
EG Risk
0
EG Risk 0/100

EG Risk is EchelonGraph's 0–100 priority score. It fuses intrinsic severity with real-world exploitation and automatability, so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. It is distinct from the 0–10 EG Score, which measures severity.

EPSS
99.5%
KEV
Not listed

Published

November 30, 2001

Last Modified

June 16, 2026

References (28)

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatpatch2001-11-27redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 5× in last 7d / 14× 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.

  1. 2026-07-23 00:43 UTCEG score recompute
  2. 2026-07-23 00:25 UTCEG score recompute▼ 7.30
  3. 2026-07-22 23:47 UTCEG score recompute▲ 7.30
  4. 2026-07-22 21:27 UTCEG score recompute
  5. 2026-07-20 17:02 UTCEPSS rescore
  6. 2026-07-15 16:53 UTCEPSS rescore
  7. 2026-07-13 06:07 UTCEPSS rescore
  8. 2026-07-11 08:22 UTCEPSS rescore
  9. 2026-07-04 06:26 UTCEPSS rescore
  10. 2026-07-02 14:00 UTCEPSS rescore
  11. 2026-06-29 14:02 UTCEPSS rescore
  12. 2026-06-28 14:02 UTCEPSS rescore
  13. 2026-06-24 14:01 UTCEPSS rescore
  14. 2026-06-23 21:29 UTCEPSS rescore
  15. 2026-06-21 01:56 UTCEPSS rescore
  16. 2026-06-18 17:49 UTCEPSS rescore
  17. 2026-06-18 17:49 UTCEPSS rescore
  18. 2026-06-17 17:49 UTCEPSS rescore
  19. 2026-06-14 23:13 UTCEPSS rescore
  20. 2026-06-13 22:56 UTCEPSS rescore
  21. 2026-06-12 23:07 UTCEPSS rescore
  22. 2026-06-11 13:55 UTCEPSS rescore
  23. 2026-06-10 22:13 UTCEPSS rescore
  24. 2026-06-10 13:17 UTCEPSS rescore
  25. 2026-06-08 14:13 UTCEPSS rescore
Show 25 more
  1. 2026-06-07 15:21 UTCEPSS rescore
  2. 2026-06-06 13:44 UTCEPSS rescore
  3. 2026-06-05 06:07 UTCEPSS rescore
  4. 2026-06-02 20:10 UTCEPSS rescore
  5. 2026-06-01 13:48 UTCEPSS rescore
  6. 2026-05-31 22:27 UTCEPSS rescore
  7. 2026-05-31 19:57 UTCEG score recompute
  8. 2026-05-31 19:57 UTCVendor advisory
  9. 2026-05-31 19:57 UTCGHSA enrichment
  10. 2026-05-31 00:13 UTCEPSS rescore
  11. 2026-05-31 00:13 UTCEPSS rescore
  12. 2026-05-29 13:40 UTCEPSS rescore
  13. 2026-05-28 13:42 UTCEPSS rescore
  14. 2026-05-28 13:42 UTCEPSS rescore
  15. 2026-05-28 13:42 UTCEPSS rescore
  16. 2026-05-28 13:42 UTCEPSS rescore
  17. 2026-05-27 13:37 UTCEPSS rescore
  18. 2026-05-27 13:37 UTCEPSS rescore
  19. 2026-05-24 16:42 UTCEPSS rescore
  20. 2026-05-21 22:38 UTCEPSS rescore
  21. 2026-05-20 22:36 UTCEPSS rescore
  22. 2026-05-20 11:20 UTCEPSS rescore
  23. 2026-05-20 11:20 UTCEPSS rescore
  24. 2026-05-18 21:29 UTCEPSS rescore
  25. 2026-05-18 21:29 UTCEPSS rescore

Publicly available exploits

(2 references)

Working exploit code is in the public domain (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-348✓ verified
    First seen May 14, 2002

    WU-FTPD 2.6.1 - Remote Command Execution

    Open source ↗
  • Exploit-DBEDB-21161✓ verified
    First seen Nov 27, 2001

    WU-FTPD 2.6 - File Globbing Heap Corruption

    Open source ↗

Related CVEs(same vendor)

Frequently asked(4)

What is CVE-2001-0550?
CVE-2001-0550 is a none vulnerability published on November 30, 2001. wu-ftpd 2.6.1 allows remote attackers to execute arbitrary commands via a "~{" argument to commands such as CWD, which is not properly handled by the glob function (ftpglob).
When was CVE-2001-0550 disclosed?
CVE-2001-0550 was first published in the National Vulnerability Database on November 30, 2001, with the most recent update on June 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2001-0550 actively exploited?
CVE-2001-0550 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2001-0550?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2001-0550, 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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