HOMEVULNERABILITIESCVE-2017-9312
HIGH

CVE-2017-9312

CWE-20Published: June 25, 2018· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

Improperly implemented option-field processing in the TCP/IP stack on Allen-Bradley L30ERMS safety devices v30 and earlier causes a denial of service. When a crafted TCP packet is received, the device reboots immediately.

NVD Source

Technical Analysis

CVE-2017-9312 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

rockwellautomation2 product(s)
allen-bradley l30erms firmwareallen-bradley l30erms
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (4)

http://www.securityfocus.com/bid/104528Third Party Advisory · VDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-18-172-02Third Party Advisory · US Government Resource
http://www.securityfocus.com/bid/104528Third Party Advisory · VDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-18-172-02Third Party Advisory · US Government Resource

Quick Facts

CVE IDCVE-2017-9312
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-20
CISA KEVNo
Affected1 vendor(s)
PublishedJun 25, 2018

Related CVEs (CWE-20)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2017-9312 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.