THREATPORT/VULNERABILITY/CVE-2009-0419
MEDIUM SEVERITY

CVE-2009-0419

Xml Core Services vulnerability

CVSS
5.0
EPSS
15.3%
EPSS pct
96th
Exploited
No known
Microsoft XML Core Services, as used in Microsoft Expression Web, Office, Internet Explorer 6 and 7, and other products, does not properly restrict access from web pages to Set-Cookie2 HTTP response headers, which allows remote attackers to obtain sensitive information from cookies via XMLHttpRequest calls, related to the HTTPOnly protection mechanism. NOTE: this issue reportedly exists because of an incomplete fix for CVE-2008-4033.
Affected vendor
Microsoft
Affected product
Xml Core Services
CVSS vector
AV:N/AC:L/Au:N/C:P/I:N/A:N
Weakness type (CWE)
  • CWE-264 — Permissions, Privileges, and Access Controls
Published
2009-02-04

Risk analysis

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

Its EPSS score of 15.3% 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-2009-0419

  • Confirm whether Microsoft Xml Core Services is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2009-0419.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2009-0419

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2009-0419 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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