6.4 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:N/A:P
9.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
9.5 High
AI Score
Confidence
High
0.003 Low
EPSS
Percentile
69.7%
CVSS v3 8.2
**ATTENTION:**Exploitable remotely/low skill level to exploit
Vendor: General Electric (GE)
**Equipment:**Proficy GDS
Vulnerability: XXE
Successful exploitation of this vulnerability could allow an attacker to initiate an OPC UA session and retrieve an arbitrary file.
The following versions of GE Cimplicity ship with the affected GDS service:
An XXE injection vulnerability leads to path traversal inside the Proficy server. An attacker may be able to initiate an OPC UA session and retrieve an arbitrary file from the targeted system.
CVE-2018-15362 has been assigned to this vulnerability. A CVSS v3 base score of 8.2 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H).
Vladimir Dashchenko of Kaspersky Lab reported this vulnerability to NCCIC.
GE recommends users update to Version 2.1 or newer. The fixed version is available the following link:
<https://ge-ip.flexnetoperations.com/control/geip/download?element=10544807> (Login required)
GE has released a security advisory that can be viewed at:
<https://digitalsupport.ge.com/communities/en_US/Article/GE-Digital-Security-Advisory-GED-18-01>
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-12-146-01B–Targeted 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.
NCCIC also recommends that users take the following measures to protect themselves from social engineering attacks:
No known public exploits specifically target this vulnerability.
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2018-15362
cwe.mitre.org/data/definitions/611.html
digitalsupport.ge.com/communities/en_US/Article/GE-Digital-Security-Advisory-GED-18-01
ge-ip.flexnetoperations.com/control/geip/download?element=10544807
public.govdelivery.com/accounts/USDHSCISA/subscriber/new?topic_id=USDHSCISA_138
twitter.com/CISAgov
twitter.com/intent/tweet?text=GE%20Proficy%20GDS+https://www.cisa.gov/news-events/ics-advisories/icsa-18-340-01
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-18-340-01&title=GE%20Proficy%20GDS
www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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-18-340-01
www.oig.dhs.gov/
www.surveymonkey.com/r/CISA-cyber-survey?product=https://www.cisa.gov/news-events/ics-advisories/icsa-18-340-01
www.usa.gov/
www.whitehouse.gov/
www.youtube.com/@cisagov
mailto:?subject=GE%20Proficy%20GDS&body=www.cisa.gov/news-events/ics-advisories/icsa-18-340-01
6.4 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:N/A:P
9.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
9.5 High
AI Score
Confidence
High
0.003 Low
EPSS
Percentile
69.7%