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01 Record

CVE-1999-0524

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

MediumPUBLISHEDCNA: mitre
CNA base score4.0 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
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02 Description

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

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
32.15% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 98.1% of scored records. A rank, not a probability.
NVD base score
4.0 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-16.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2000-02-04 05:00Z26 YR AGO
Last updated
2026-05-28 17:44Z5 MO AGO
Reserved
1999-06-07
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Medium (CVSS 4.0)
CNA CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Weaknesses
  • CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass
Data version
5.2
Document digest
973fc8f43b724b4b87ea8e5fe6a39a7c78c428e75873646538b7a854cfc0cedb

05 Affected products

VendorProductVersionsPlatforms
applemac_os_xNot specified—
applemacosNot specified—
ciscoiosNot specified—
hphp-uxNot specified—
hptru64Not specified—
ibmaixNot specified—
ibmos2Not specified—
linuxlinux_kernelNot specified—
microsoftwindowsNot specified—
novellnetwareNot specified—
oraclesolarisNot specified—
scosco_unixNot specified—
sgiirixNot specified—
windriverbsdosNot specified—

06 References