Buffer overflow in Microsoft Windows 2000

CVE-2009-1923

Heap-based buffer overflow in the Windows Internet Name Service (WINS) component for Microsoft Windows 2000 SP4 and Server 2003 SP2 allows remote attackers to execute arbitrary code via a crafted WINS replication packet that triggers an incorrect buffer-length calculation, aka "WINS Heap Overflow Vulnerability."

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v2 metric

CVSS v2 base score 9.3 (High). Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.247 (97.8th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2009-1923: held from 0.247 to 0.247.

EPSS over last 30 days · oldest: 0.247 · newest: 0.247 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2009-1923?
CVE-2009-1923 is a vulnerability in Microsoft Windows 2000, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2009-08-12.
Is CVE-2009-1923 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.