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CVE-1999-0524ICMP information such as (1) netmask and (2) timestamp is allowed from arbitrary hosts.
- 4.0MediumCVSS base score
- 32.2%Exploitation in 30 daysEPSS · top 1.7% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
ICMP information such as (1) netmask and (2) timestamp is allowed from arbitrary hosts.
Timeline
ID reserved
By mitre
- 8 months later
· 8 months later
Published
- 26 years later
· 26 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Medium4.0 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
| NVDNVD · Modified | 3.1 | Medium4.0 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
- EPSS (exploitation in 30 days)
- 32.2% · top 1.7% of all CVEs (14 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.0.
Affected products
n/a
- affected n/a
References
References9
- icmp-timestamp(322) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- https://kc.mcafee.com/corporate/index?page=content&id=SB10053 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://descriptions.securescout.com/tc/11010 (opens in a new tab)x_refsource_MISCx_transferred
- icmp-netmask(306) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- http://descriptions.securescout.com/tc/11011 (opens in a new tab)x_refsource_MISCx_transferred
- 95 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- http://kb.vmware.com/selfservice/microsites/search.do?cmd=displayKC&externalId=1434 (opens in a new tab)x_refsource_MISCx_transferred
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://support.f5.com/csp/article/K15277 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-1999-0522 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-1999-0524)Record last updated .