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Fencer Intel
medium 6.6

CVE-2017-7907 json

An Improper XML Parser Configuration issue was discovered in Schneider Electric Wonderware Historian Client 2014 R2 SP1 and prior.

published 2017-05-19 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-16878

cvss
6.6
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 33%
public exploits
0
none known

Summary

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.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-17-122-01 updated cvss 6.6

Schneider Electric Wonderware Historian Client

  • Schneider Electric Software, LLC Wonderware Historian Client 2014 R2 <= SP1
    affected: vendor fix, mitigation “Users of Wonderware Historian Client can login at the following support web site to download the upgrade:” gcsresource.invensys.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

0.39% chance of exploitation in the next 30 days, higher than 33% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 6.6 CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:H
NVD 2.0 3.3 AV:L/AC:M/Au:N/C:P/I:N/A:P

Affected products

  • n/a Schneider Electric Wonderware Historian Client

Classification

Weakness
  • CWE-611 Improper Restriction of XML External Entity Reference

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.