CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
62.2%
Successful exploitation of this vulnerability could allow an unauthenticated remote attacker to cause a memory leak on an affected device, which may cause the device to reload.
The following Stratix Industrial Switches are affected by this vulnerability in the Cisco Open Plug-n-Play agent:
3.2.1 UNCONTROLLED RESOURCE CONSUMPTION CWE-400
An unauthenticated remote attacker could send invalid data to the Cisco Network Plug and Play agent (also referred to as the Cisco Open Plug-n-Play agent) causing a memory leak on the device, which could cause the device to reload.
CVE-2018-15377 has been assigned to this vulnerability. A CVSS v3 base score of 6.8 has been calculated; the CVSS vector string is (AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H).
Rockwell Automation reported this vulnerability to NCCIC.
Rockwell automation recommends users upgrade to FRN 15.2(6)E2a or later, which can be downloaded from the following page:
<http://compatibility.rockwellautomation.com/Pages/MultiProductDownload.aspx?famID=15>
Rockwell Automation recommends users apply the following general guidelines:
For additional information, see Rockwell Automationβs security advisory, which can be found at the following link:
<https://rockwellautomation.custhelp.com/app/answers/detail/a_id/1082686> (Login required)
Ciscoβs product security disclosure is available at the following link: <https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-pnp-memleak>
NCCIC recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. Specifically, users should:
NCCIC reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
NCCIC also provides a section for control systems security recommended practices on the ICS-CERT web page. Several recommended practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.
Additional mitigation guidance and recommended practices are publicly available on the ICS-CERT website in the Technical Information Paper, ICS-TIP-12-146-01BβTargeted Cyber Intrusion Detection and Mitigation Strategies.
Organizations observing any suspected malicious activity should follow their established internal procedures and report their findings to NCCIC for tracking and correlation against other incidents.
No known public exploits specifically target this vulnerability.
compatibility.rockwellautomation.com/Pages/MultiProductDownload.aspx?famID=15
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2018-15377
cisasurvey.gov1.qualtrics.com/jfe/form/SV_9n4TtB8uttUPaM6?product=https://www.cisa.gov/news-events/ics-advisories/icsa-19-094-02
cwe.mitre.org/data/definitions/400.html
public.govdelivery.com/accounts/USDHSCISA/subscriber/new?topic_id=USDHSCISA_138
rockwellautomation.custhelp.com/app/answers/detail/a_id/1082686
tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-pnp-memleak
twitter.com/CISAgov
twitter.com/intent/tweet?text=Rockwell%20Automation%20Stratix%205400/5410/5700%20and%20ArmorStratix%205700+https://www.cisa.gov/news-events/ics-advisories/icsa-19-094-02
www.dhs.gov
www.dhs.gov/foia
www.dhs.gov/performance-financial-reports
www.facebook.com/CISA
www.facebook.com/sharer/sharer.php?u=https://www.cisa.gov/news-events/ics-advisories/icsa-19-094-02&title=Rockwell%20Automation%20Stratix%205400/5410/5700%20and%20ArmorStratix%205700
www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
www.instagram.com/cisagov
www.linkedin.com/company/cybersecurity-and-infrastructure-security-agency
www.linkedin.com/sharing/share-offsite/?url=https://www.cisa.gov/news-events/ics-advisories/icsa-19-094-02
www.oig.dhs.gov/
www.usa.gov/
www.whitehouse.gov/
www.youtube.com/@cisagov
mailto:?subject=Rockwell%20Automation%20Stratix%205400/5410/5700%20and%20ArmorStratix%205700&body=www.cisa.gov/news-events/ics-advisories/icsa-19-094-02
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
62.2%