CVE-2017-7907

low-risk
Published 2017-05-19

An Improper XML Parser Configuration issue was discovered in Schneider Electric Wonderware Historian Client 2014 R2 SP1 and prior. An improperly restricted XML parser (with improper restriction of XML external entity reference, or XXE) may allow an attacker to enter malicious input through the application which could cause a denial of service or disclose file contents from a server or connected network.

Do I need to act?

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0.08% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.6/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Wonderware Historian Client

Affected Vendors

Schneider-Electric

References (8)

Vendor Advisory http://software.schneider-electric.com/pdf/security-bulletin/lfsec00000120/
Third Party Advisory http://www.securityfocus.com/bid/98254
http://www.securitytracker.com/id/1038542
Mitigation https://ics-cert.us-cert.gov/advisories/ICSA-17-122-01
Vendor Advisory http://software.schneider-electric.com/pdf/security-bulletin/lfsec00000120/
Third Party Advisory http://www.securityfocus.com/bid/98254
http://www.securitytracker.com/id/1038542
Mitigation https://ics-cert.us-cert.gov/advisories/ICSA-17-122-01
26
/ 100
low-risk
Severity 21/34 · High
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal