CVE-1999-0502

NONECVSS 0.0Weaponized

0.0

A Unix account has a default, null, blank, or missing password.

CVSS v3: —
EG Score: —
EPSS: 97.2%
KEV: Not listed

Published

March 1, 1998

Last Modified

April 16, 2026

References (2)

cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0502
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0502

Data Freshness Timeline

(refreshed 10× in last 7d / 16× 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.

2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-21 22:38 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-18 21:29 UTCepss_batch
2026-05-18 21:29 UTCepss_batch

Publicly available exploits

(10 references)

Working exploit code is in the public domain (9 Metasploit modules) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-41694✓ verified
First seen Jan 1, 1999
SSH - User Code Execution (Metasploit)
Open source ↗
Metasploitauxiliary/scanner/postgres/postgres_login✓ verified
First seen Jan 1, 1999
PostgreSQL Login Utility
Open source ↗
Metasploitauxiliary/scanner/http/wordpress_xmlrpc_login✓ verified
First seen Jan 1, 1999
Wordpress XML-RPC Username/Password Login Scanner
Open source ↗
Metasploitauxiliary/scanner/ssh/ssh_login✓ verified
First seen Jan 1, 1999
SSH Login Check Scanner
Open source ↗
Metasploitauxiliary/scanner/http/dlink_dir_session_cgi_http_login✓ verified
First seen Jan 1, 1999
D-Link DIR-300B / DIR-600B / DIR-815 / DIR-645 HTTP Login Utility
Open source ↗
Metasploitauxiliary/scanner/http/dlink_dir_300_615_http_login✓ verified
First seen Jan 1, 1999
D-Link DIR-300A / DIR-320 / DIR-615D HTTP Login Utility
Open source ↗
Metasploitauxiliary/scanner/ftp/ftp_login✓ verified
First seen Jan 1, 1999
FTP Authentication Scanner
Open source ↗
Metasploitauxiliary/scanner/telnet/brocade_enable_login✓ verified
First seen Jan 1, 1999
Brocade Enable Login Check Scanner
Open source ↗
Metasploitexploit/multi/ssh/sshexec✓ verified
First seen Jan 1, 1999
SSH User Code Execution
Open source ↗
Metasploitauxiliary/scanner/mysql/mysql_login✓ verified
First seen Jan 1, 1999
MySQL Login Utility
Open source ↗

Frequently asked(4)

What is CVE-1999-0502?

CVE-1999-0502 is a none vulnerability published on March 1, 1998. A Unix account has a default, null, blank, or missing password.

When was CVE-1999-0502 disclosed?

CVE-1999-0502 was first published in the National Vulnerability Database on March 1, 1998, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-1999-0502 actively exploited?

CVE-1999-0502 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 97.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-1999-0502?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-1999-0502, 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-1999-0502

📅 Published

🔄 Last Modified

🔗 References (2)