A Null Pointer Dereference issue was discovered in Schneider Electric Wonderware ArchestrA Logger, versions 2017.426.2307.1 and prior.

published 2017-07-07 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-18562

cvss: 7.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 3.2%; EPSS 3.2% chance of exploitation in 30 days, percentile 88%
public exploits: 0; none known

A Null Pointer Dereference issue was discovered in Schneider Electric Wonderware ArchestrA Logger, versions 2017.426.2307.1 and prior. The null pointer dereference vulnerability could allow an attacker to crash the logger process, causing a denial of service for logging and log-viewing (applications that use the Wonderware ArchestrA Logger continue to run when the Wonderware ArchestrA Logger service is unavailable).

Vendor advisories

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

cisa ICSA-17-187-04 updated 2017-07-06 cvss 7.5

Schneider Electric Wonderware ArchestrA Logger

Schneider Electric Software, LLC Wonderware ArchestrA Logger <= 2017.426.2307.1
affected: vendor fix, mitigation “For more information about this vulnerability and patch, please refer to Schneider Electric Security Bulletin LFSec00000116, which is available at the following location:” 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

3.20% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

n/a Schneider Electric Wonderware ArchestrA Logger

Classification

Weakness

CWE-476 NULL Pointer Dereference

References

software.schneider-electric.com /pdf/security-bulletin/lfsec00000116/
vendor-advisory
securityfocus.com /bid/99488
vdb-entry, broken-link, third-party-advisory
ics-cert.us-cert.gov /advisories/ICSA-17-187-04
third-party-advisory, us-government-resource
securitytracker.com /id/1038836
vdb-entry, broken-link, third-party-advisory

Sources

CVE List CVE-2017-9631
NVD CVE-2017-9631

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.

Summary