9.3crit

CVE-2009-1920in critical feed

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 lo…

Published 17 y ago · modified 4 mo ago · JSON

CVSS
9.3
v2.0 · NVD
CISA KEV
No
not known exploited
EPSS
21.5%
percentile 98%
Public exploits
0
none known

Summary

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."

Exploit prediction (EPSS)

21.51% probability of exploitation in the next 30 days, higher than 98% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD2.09.3AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-94 Improper Control of Generation of Code

References

  • docs.microsoft.com /en-us/security-updates/securitybulletins/2009/ms09-045 · vendor-advisory, x_refsource_MS, x_transferred
  • us-cert.gov /cas/techalerts/TA09-251A.html · third-party-advisory, x_refsource_CERT, x_transferred
  • oval.cisecurity.org /repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6316 · vdb-entry, signature, x_refsource_OVAL, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.