CVE-2011-1258

Internet Explorer vulnerability

CVSS

4.3

EPSS

14.6%

EPSS pct

96th

Exploited

No known

Microsoft Internet Explorer 6 through 8 does not properly restrict web script, which allows user-assisted remote attackers to obtain sensitive information from a different (1) domain or (2) zone via vectors involving a drag-and-drop operation, aka "Drag and Drop Information Disclosure Vulnerability."

Affected vendor

Microsoft

Affected product

Internet Explorer

CVSS vector

AV:N/AC:M/Au:N/C:P/I:N/A:N

Weakness type (CWE)

CWE-668 — Exposure of Resource to Wrong Sphere

Published

2011-06-16

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, medium attack complexity, requiring no authentication. Successful exploitation leads to partial impact to confidentiality.

Its EPSS score of 14.6% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2011-1258

Confirm whether Microsoft Internet Explorer is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2011-1258.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2011-1258

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2011-1258 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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