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CVE-2015-4538: EMC Atmos XML parser lets logged-in users read files

CVE-2015-4538 · published 11 years ago

Summary

The XML processing component in EMC Atmos versions before 2.2.3.426 and 2.3.1.0 can be tricked by an authenticated user into opening any file on the server or consuming excessive CPU and memory, potentially slowing or stopping the service. This happens because the parser accepts specially crafted XML that references external data. Upgrade Atmos to the patched versions or disable external entity handling in the XML parser to protect your system.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software

Vendor	Product	Affected versions
emc	atmos	2.2.3 2.3.0 `cpe:2.3:a:emc:atmos:2.2.3:::::::*`

Original advisory text

The XML parser in EMC Atmos before 2.2.3.426 and 2.3.x before 2.3.1.0 allows remote authenticated users to read arbitrary files or cause a denial of service (CPU and memory consumption) via an external entity declaration in conjunction with an entity reference, related to an XML External Entity (XXE) issue.

References

Fix within

Internet-facing 60 days

Internal At next upgrade

Not known to be exploited
Needs hands-on effort to exploit (estimated)
Gives an attacker partial control (estimated)

Severity

7.5 High

Exploitation

3% chance of attack within 30 days

Timeline

Published4 Sep 2015

Updated30 Oct 2026

First seen29 Sep 2026

Sources

CVE-2015-4538 · NVD

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