CVE-2017-7907

medium
Published 2017-05-19 · Modified 2026-05-13
CVSS v3
6.6
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:H
CVSS v2
3.3
VIR risk
6.6

Description

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.

Predictions

Exploit likelihood
65%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: ics-cert@hq.dhs.gov — https://ics-cert.us-cert.gov/advisories/ICSA-17-122-01

vendor Authored 2026-05-27

Vendor advisory: ics-cert@hq.dhs.gov — http://software.schneider-electric.com/pdf/security-bulletin/lfsec00000120/

Application impact

VendorProductVersionsFixed
schneider-electricwonderware_historian_client{"endIncluding":"2014_r2"}

References

CWEs

CWE-611

Verify integrity in audit chain (admin only). AS-IS.