HOMEVULNERABILITIESCVE-2015-4538
HIGH

CVE-2015-4538

NVD-CWE-OtherPublished: September 4, 2015· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2015-4538 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityC
IntegrityNone
AvailabilityP
AV:N/AC:L/Au:S/C:C/I:N/A:P

Affected Vendors & Products

emc1 product(s)
atmos
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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All References (6)

Quick Facts

CVE IDCVE-2015-4538
CVSS Score7.5 / 10
SeverityHIGH
CISA KEVNo
Affected1 vendor(s)
PublishedSep 4, 2015

Related CVEs (NVD-CWE-Other)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2015-4538 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.