MEDIUM
CVE-2015-6491
NVD-CWE-OtherPublished: October 28, 2015· Updated: Jun 17, 2026
4.0
CVSS v3.1
Official Description
Allen-Bradley MicroLogix 1100 devices before B FRN 15.000 and 1400 devices before B FRN 15.003 allow remote authenticated users to insert the content of an arbitrary file into a FRAME element via unspecified vectors.
Technical Analysis
CVE-2015-6491 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
ConfidentialityNone
IntegrityP
AvailabilityNone
AV:N/AC:L/Au:S/C:N/I:P/A:N
Affected Vendors & Products
rockwellautomation2 product(s)
micrologix 1100 firmwaremicrologix 1400 firmware
Source: NVD CPE · 2 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
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GitHub PoC Search
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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 (2)
→
https://ics-cert.us-cert.gov/advisories/ICSA-15-300-03Patch · Third Party Advisory · US Government Resource
→
https://ics-cert.us-cert.gov/advisories/ICSA-15-300-03Patch · Third Party Advisory · US Government Resource
Quick Facts
CVE IDCVE-2015-6491
CVSS Score4.0 / 10
SeverityMEDIUM
WeaknessNVD-CWE-Other
CISA KEVNo
Affected1 vendor(s)
PublishedOct 28, 2015
Related CVEs (NVD-CWE-Other)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2015-6491 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.