CVE-1999-0039

HIGHPre-NVD 7.37.3—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.3 under NVD CVSS v3. EPSS exploit probability: 20.7%, top 4% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Weaponized
7.3
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 16%CVSS: 7.3Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

webdist CGI program (webdist.cgi) in SGI IRIX allows remote attackers to execute arbitrary commands via shell metacharacters in the distloc parameter.

CVSS v3
7.3
EG Score
7.3(medium)
EPSS
96.6%
KEV
Not listed

Published

May 6, 1997

Last Modified

June 16, 2026

Advisory Details (2)

Auto-updated Jun 19, 2026
No patch confirmed yet.
generic

IBM X-Force Exchange

https://exchange.xforce.ibmcloud.com/vulnerabilities/333
generic
http://www.securityfocus.com/bid/374

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 4× in last 7d / 17× 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. 2026-07-15 16:53 UTCEPSS rescore
  2. 2026-07-15 01:55 UTCEPSS rescore
  3. 2026-07-13 06:07 UTCEPSS rescore
  4. 2026-07-11 08:22 UTCEPSS rescore
  5. 2026-07-08 15:08 UTCEPSS rescore
  6. 2026-07-02 14:00 UTCEPSS rescore
  7. 2026-06-29 14:02 UTCEPSS rescore
  8. 2026-06-28 14:02 UTCEPSS rescore
  9. 2026-06-27 03:04 UTCEPSS rescore
  10. 2026-06-24 14:01 UTCEPSS rescore
  11. 2026-06-23 21:29 UTCEPSS rescore
  12. 2026-06-21 01:56 UTCEPSS rescore
  13. 2026-06-19 19:22 UTCEPSS rescore
  14. 2026-06-18 17:49 UTCEPSS rescore
  15. 2026-06-18 17:49 UTCEPSS rescore
  16. 2026-06-17 17:49 UTCEPSS rescore
  17. 2026-06-16 17:49 UTCEPSS rescore
  18. 2026-06-14 23:13 UTCEPSS rescore
  19. 2026-06-12 23:07 UTCEPSS rescore
  20. 2026-06-11 13:55 UTCEPSS rescore
  21. 2026-06-10 22:13 UTCEPSS rescore
  22. 2026-06-10 13:17 UTCEPSS rescore
  23. 2026-06-07 15:21 UTCEPSS rescore
  24. 2026-06-06 13:44 UTCEPSS rescore
  25. 2026-06-04 13:09 UTCEPSS rescore
Show 21 more
  1. 2026-06-02 20:10 UTCEPSS rescore
  2. 2026-05-31 23:05 UTCEG score recompute
  3. 2026-05-31 23:05 UTCGHSA enrichment
  4. 2026-05-31 22:27 UTCEPSS rescore
  5. 2026-05-31 00:13 UTCEPSS rescore
  6. 2026-05-31 00:13 UTCEPSS rescore
  7. 2026-05-29 13:40 UTCEPSS rescore
  8. 2026-05-28 13:42 UTCEPSS rescore
  9. 2026-05-28 13:42 UTCEPSS rescore
  10. 2026-05-28 13:42 UTCEPSS rescore
  11. 2026-05-28 13:42 UTCEPSS rescore
  12. 2026-05-27 13:37 UTCEPSS rescore
  13. 2026-05-27 13:37 UTCEPSS rescore
  14. 2026-05-24 16:42 UTCEPSS rescore
  15. 2026-05-22 21:15 UTCEPSS rescore
  16. 2026-05-21 22:38 UTCEPSS rescore
  17. 2026-05-20 22:36 UTCEPSS rescore
  18. 2026-05-20 11:20 UTCEPSS rescore
  19. 2026-05-20 11:20 UTCEPSS rescore
  20. 2026-05-18 21:29 UTCEPSS rescore
  21. 2026-05-18 21:29 UTCEPSS rescore

Publicly available exploits

(1 reference)

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

  • Exploit-DBEDB-19299✓ verified
    First seen May 6, 1997

    SGI IRIX 6.3 - cgi-bin 'webdist.cgi' Command Execution

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-1999-0039?
CVE-1999-0039 is a high vulnerability published on May 6, 1997. webdist CGI program (webdist.cgi) in SGI IRIX allows remote attackers to execute arbitrary commands via shell metacharacters in the distloc parameter.
When was CVE-1999-0039 disclosed?
CVE-1999-0039 was first published in the National Vulnerability Database on May 6, 1997, 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-1999-0039 actively exploited?
CVE-1999-0039 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 96.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-1999-0039?
CVE-1999-0039 has a CVSS v3.1 base score of 7.3 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-1999-0039?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-1999-0039, 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.

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