CVE-2009-5135

Echo vulnerability

CVSS

5.0

EPSS

9.9%

EPSS pct

95th

Exploited

No known

The Java XML parser in Echo before 2.1.1 and 3.x before 3.0.b6 allows remote attackers to read arbitrary files via a request containing an external entity declaration in conjunction with an entity reference, related to an XML External Entity (XXE) issue.

Affected vendor

Nextapp

Affected product

Echo

CVSS vector

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

Weakness type (CWE)

CWE-20 — Improper Input Validation

Published

2013-05-02

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 9.9% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 95% of all scored CVEs.

Check your external exposure to CVE-2009-5135

Confirm whether Nextapp Echo is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2009-5135.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2009-5135

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2009-5135 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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