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CVE-2015-6003

24
FAUCET Score

CVE-2015-6003 describes a directory traversal vulnerability in QNAP QTS versions before 4.1.4 build 0910 and 4.2.x before 4.2.0 RC2 build 0910, specifically when AFP is enabled. This flaw allows unauthenticated remote attackers to read or write arbitrary files by leveraging access to an OS X user or guest account. With a CVSS score of 9.3 (Critical), the vulnerability is easily exploitable over the network with medium attack complexity, leading to complete compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage for this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.1.4CPE matchmatch criteria
cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
<= 4.2.0CPE matchmatch criteria
cpe:2.3:o:qnap:qts:*:rc1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

AV:N/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
4.08%
Probability of exploitation in next 30 days
EPSS Percentile
89.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0408 is in the 53rd percentile among its peer group of 8,918 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

qnap.com / i/en/support/con_show.php
Vendor Advisory
kb.cert.org / vuls/id/751328
Third Party AdvisoryUS Government Resource
securitytracker.com / id/1033794