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Fencer Intel
medium 5.0

CVE-2009-5135 json

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…

published 13y ago modified 4mo ago also EUVD-2009-5090

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
9.9%
EPSS 9.9% chance of exploitation in 30 days, percentile 95%
public exploits
1
Exploit-DB

Summary

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.

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Timeline

  1. First public exploit (EDB-8191)
  2. Published

Exploit prediction

9.92% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-8191 NextApp Echo < 2.1.1 - XML Injection remote, 2009-03-10
  • sec-consult.com https://www.sec-consult.com/fxdata/seccons/prod/temedia/advisories_txt/20090305-0_echo_nextapp_xml_injection.txt referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.