THREATPORT/VULNERABILITY/CVE-2011-0663
HIGH SEVERITY

CVE-2011-0663

Jscript vulnerability

CVSS
8.8
EPSS
26.2%
EPSS pct
98th
Exploited
No known
Multiple integer overflows in the Microsoft (1) JScript 5.6 through 5.8 and (2) VBScript 5.6 through 5.8 scripting engines allow remote attackers to execute arbitrary code via a crafted web page, aka "Scripting Memory Reallocation Vulnerability."
Affected vendor
Microsoft
Affected product
Jscript
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness type (CWE)
Published
2011-04-13

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 26.2% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2011-0663

  • Confirm whether Microsoft Jscript is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2011-0663.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2011-0663

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2011-0663 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2011-0663?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2011-0663.

Start free scan

No credit card. Agentless.

Related vulnerabilities

HIGH
CVE-2017-17410
Internet Security 2018 vulnerability
HIGH
CVE-2017-6164
Big Ip Local Traffic Manager vulnerability
HIGH
CVE-2017-10868
H2o vulnerability