Vulnerability Details : CVE-2017-7907
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.
Vulnerability category: XML external entity (XXE) injectionDenial of service
Products affected by CVE-2017-7907
- Schneider-electric » Wonderware Historian Client » Update SP1Versions up to, including, (<=) 2014_r2cpe:2.3:a:schneider-electric:wonderware_historian_client:*:sp1:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-7907
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 24 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-7907
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
3.3
|
LOW | AV:L/AC:M/Au:N/C:P/I:N/A:P |
3.4
|
4.9
|
NIST | |
6.6
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:H |
1.3
|
5.2
|
NIST |
CWE ids for CVE-2017-7907
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The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.Assigned by:
- ics-cert@hq.dhs.gov (Secondary)
- nvd@nist.gov (Primary)
References for CVE-2017-7907
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http://www.securitytracker.com/id/1038542
Wonderware Historian Client XML External Entity Processing Flaw Lets Remote Users Deny Service and Potentially Read Files on the Target System - SecurityTracker
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https://ics-cert.us-cert.gov/advisories/ICSA-17-122-01
Schneider Electric Wonderware Historian Client | CISAMitigation;Third Party Advisory;US Government Resource
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http://www.securityfocus.com/bid/98254
Wonderware Historian Client CVE-2017-7907 Local XML External Entity Injection VulnerabilityThird Party Advisory;VDB Entry
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http://software.schneider-electric.com/pdf/security-bulletin/lfsec00000120/
Vendor Advisory
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