CVE-1999-1193

NONECVSS 0.0

0.0

EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.

No confirmed exploitation signals yet

CISA-KEV: Not listedEPSS: 2%CVSS: —Exploit: NoneExposed: 0

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

The "me" user in NeXT NeXTstep 2.1 and earlier has wheel group privileges, which could allow the me user to use the su command to become root.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 80.3%
KEV: Not listed

Published

May 14, 1991

Last Modified

June 16, 2026

References (6)

cve@mitrehttp://www.cert.org/advisories/CA-1991-06.html
cve@mitrehttp://www.securityfocus.com/bid/20
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/581
af854a3a-2127-422b-91ae-364da2661108http://www.cert.org/advisories/CA-1991-06.html
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/20
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/581

Data Freshness Timeline

(refreshed 2× in last 7d / 30× 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.

2026-06-24 14:01 UTCEPSS rescore
2026-06-23 21:29 UTCEPSS rescore
2026-06-19 19:22 UTCEPSS rescore
2026-06-18 17:49 UTCEPSS rescore
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2026-06-14 23:13 UTCEPSS rescore
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2026-06-12 23:07 UTCEPSS rescore
2026-06-11 13:55 UTCEPSS rescore
2026-06-10 22:13 UTCEPSS rescore
2026-06-10 13:17 UTCEPSS rescore
2026-06-08 14:13 UTCEPSS rescore
2026-06-07 15:21 UTCEPSS rescore
2026-06-06 13:44 UTCEPSS rescore
2026-06-05 06:07 UTCEPSS rescore
2026-06-04 13:09 UTCEPSS rescore
2026-06-02 20:10 UTCEPSS rescore
2026-06-01 13:48 UTCEPSS rescore
2026-05-31 23:16 UTCEG score recompute
2026-05-31 23:16 UTCGHSA enrichment
2026-05-31 22:27 UTCEPSS rescore
2026-05-31 00:13 UTCEPSS rescore
2026-05-31 00:13 UTCEPSS rescore

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2026-05-29 13:40 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-27 13:37 UTCEPSS rescore
2026-05-27 13:37 UTCEPSS rescore
2026-05-26 13:41 UTCEPSS rescore
2026-05-26 13:41 UTCEPSS rescore
2026-05-26 13:41 UTCEPSS rescore
2026-05-26 07:16 UTCEPSS rescore
2026-05-26 07:16 UTCEPSS rescore
2026-05-22 21:15 UTCEPSS rescore
2026-05-21 22:38 UTCEPSS rescore
2026-05-20 11:20 UTCEPSS rescore
2026-05-20 11:20 UTCEPSS rescore
2026-05-18 21:29 UTCEPSS rescore
2026-05-18 21:29 UTCEPSS rescore

Frequently asked(4)

What is CVE-1999-1193?

CVE-1999-1193 is a none vulnerability published on May 14, 1991. The "me" user in NeXT NeXTstep 2.1 and earlier has wheel group privileges, which could allow the me user to use the su command to become root.

When was CVE-1999-1193 disclosed?

CVE-1999-1193 was first published in the National Vulnerability Database on May 14, 1991, 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-1999-1193 actively exploited?

CVE-1999-1193 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 80.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-1999-1193?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-1999-1193, 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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CVE-1999-1193

📅 Published

🔄 Last Modified

🔗 References (6)