CVE-2009-1088

Cascade vulnerability

CVSS

9.0

EPSS

12.0%

EPSS pct

96th

Exploited

No known

Hannon Hill Cascade Server 5.7 and other versions allows remote authenticated users to execute arbitrary programs or Java code via a crafted XSLT stylesheet with "extension elements and extension functions" that trigger code execution by Xalan-Java, as demonstrated using xalan://java.lang.Runtime.

Affected vendor

Hannonhill

Affected product

Cascade

CVSS vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Weakness type (CWE)

CWE-94 — Code Injection

Published

2009-03-25

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring single-factor authentication. Successful exploitation leads to complete impact to confidentiality, complete impact to integrity, complete impact to availability.

Its EPSS score of 12.0% 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-2009-1088

Confirm whether Hannonhill Cascade is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2009-1088.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2009-1088

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2009-1088 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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