MEDIUMPOC
CVE-2017-7457
CWE-611Published: April 14, 2017· Updated: Jun 17, 2026
5.0
CVSS v3.1
Official Description
XML External Entity via ".AOP" files used by Moxa MX-AOPC Server 1.5 result in remote file disclosure.
Technical Analysis
CVE-2017-7457 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 5.0.
A proof-of-concept (PoC) exploit exists for CVE-2017-7457. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
Affected Vendors & Products
moxa1 product(s)
mx-aopc server
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
POC AVAILABLEProof-of-concept code exists
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (6)
→
http://hyp3rlinx.altervista.org/advisories/MOXA-MX-AOPC-SERVER-v1.5-XML-EXTERNAL-ENTITY.txtExploit · Third Party Advisory
→
http://seclists.org/fulldisclosure/2017/Apr/51Third Party Advisory · VDB Entry
→
http://hyp3rlinx.altervista.org/advisories/MOXA-MX-AOPC-SERVER-v1.5-XML-EXTERNAL-ENTITY.txtExploit · Third Party Advisory
→
http://seclists.org/fulldisclosure/2017/Apr/51Third Party Advisory · VDB Entry
Quick Facts
CVE IDCVE-2017-7457
CVSS Score5.0 / 10
SeverityMEDIUM
WeaknessCWE-611
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedApr 14, 2017
Related CVEs (CWE-611)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2017-7457 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.