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Fencer Vulns
medium 5.0

CVE-1999-1581 json

Memory leak in Simple Network Management Protocol (SNMP) agent (snmp.exe) for Windows NT 4.0 before Service Pack 4 allows remote attackers…

published 1997-12-23 28 y ago modified 2026-06-16 4 mo ago also EUVD-1999-1562

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
20.6%
EPSS 20.6% chance of exploitation in 30 days, percentile 97%
public exploits
0
none known

Summary

Memory leak in Simple Network Management Protocol (SNMP) agent (snmp.exe) for Windows NT 4.0 before Service Pack 4 allows remote attackers to cause a denial of service (memory consumption) via a large number of SNMP packets with Object Identifiers (OIDs) that cannot be decoded.

Exploit prediction

20.64% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.