What is CVE-1999-0524?

CVE-1999-0524 is a medium vulnerability published on August 1, 1997. ICMP information such as (1) netmask and (2) timestamp is allowed from arbitrary hosts.

When was CVE-1999-0524 disclosed?

CVE-1999-0524 was first published in the National Vulnerability Database on August 1, 1997, with the most recent update on May 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-1999-0524 actively exploited?

CVE-1999-0524 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 53.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-1999-0524?

CVE-1999-0524 has a CVSS v3 base score of 4.0 (NVD).

How do I remediate CVE-1999-0524?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-1999-0524, 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.

CVE-1999-0524

MEDIUMNVD 4.0Elevated

4.0

ICMP information such as (1) netmask and (2) timestamp is allowed from arbitrary hosts.

CVSS v3: 4.0
EG Score: —
EPSS: 53.5%
KEV: Not listed

References (17)

cve@mitrehttp://descriptions.securescout.com/tc/11010
cve@mitrehttp://descriptions.securescout.com/tc/11011
cve@mitrehttp://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
cve@mitrehttp://kb.vmware.com/selfservice/microsites/search.do?cmd=displayKC&externalId=1434
cve@mitrehttp://www.osvdb.org/95
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/306
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/322
cve@mitrehttps://kc.mcafee.com/corporate/index?page=content&id=SB10053
af854a3a-2127-422b-91ae-364da2661108http://descriptions.securescout.com/tc/11010
af854a3a-2127-422b-91ae-364da2661108http://descriptions.securescout.com/tc/11011
af854a3a-2127-422b-91ae-364da2661108http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
af854a3a-2127-422b-91ae-364da2661108http://kb.vmware.com/selfservice/microsites/search.do?cmd=displayKC&externalId=1434
af854a3a-2127-422b-91ae-364da2661108http://www.osvdb.org/95
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/306
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/322

Vendor Advisories for CVE-1999-0524(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

GHSA-5qg4-5cpf-4r9p
GitHub Security AdvisoriesLow
ICMP information such as (1) netmask and (2) timestamp is allowed from arbitrary hosts.

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CVE-1999-0524

Published

Last Modified

References (17)

Vendor Advisories for CVE-1999-0524(1)

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-1999-0524?

CVE-1999-0524

📅 Published

🔄 Last Modified

🔗 References (17)

📣 Vendor Advisories for CVE-1999-0524(1)

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-1999-0524?

Published

Last Modified

References (17)

Vendor Advisories for CVE-1999-0524(1)

Frequently asked(5)