9.3

CVE-2009-1920: microsoft windows_2000 Code Injection

CVSS: 9.3v2.0HighModified
Published 08-09-2009Last modified 07-08-2024

Vulnerability summary

CVE-2009-1920 is a high (CVSS 9.3) Code Injection vulnerability in microsoft windows_2000. EPSS estimates a 21.51% chance of exploitation in the next 30 days, higher than 97.6% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.3/10
010
High · v2.0 (NVD)
EPSS score
21.51%
0%100%
High · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 08-09-2009
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

The JScript scripting engine 5.1, 5.6, 5.7, and 5.8 in JScript.dll in Microsoft Windows, as used in Internet Explorer, does not properly load decoded scripts into memory before execution, which allows remote attackers to execute arbitrary code via a crafted web site that triggers memory corruption, aka "JScript Remote Code Execution Vulnerability."

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

21.51%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

0.00 pp

From 21.51% on 20-09-2026

20-09-202620-10-2026
EPSS score
21.51%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

1 vendor · 4 products

References

3 links