CVE-2017-9631
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.20%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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).
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 3.20% probability · 88th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- schneider-electric/wonderware archestra logger
- Source
- ics-cert@hq.dhs.gov
EPSS 3.2% since 28 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://software.schneider-electric.com/pdf/security-bulletin/lfsec00000116/Vendor Advisory
- http://www.securityfocus.com/bid/99488Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038836Broken Link, Third Party Advisory, VDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-17-187-04Third Party Advisory, US Government Resource
- http://software.schneider-electric.com/pdf/security-bulletin/lfsec00000116/Vendor Advisory
- http://www.securityfocus.com/bid/99488Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038836Broken Link, Third Party Advisory, VDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-17-187-04Third Party Advisory, US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.