CVE-2018-8840

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

8.62% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 94.9% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2018-04-18 20:00Z8 YR AGO

Last updated

2024-09-16 17:53Z2 YR AGO

Reserved

2018-03-20

Assigning CNA

icscert

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-121Stack-based Buffer OverflowVariant
• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass

Data version

5.1

Document digest

c56c727468cfb90fea56a448f92de2f0262a4af6626253c3fbcc17510b9f2ef1

• www.securityfocus.com103949http://www.securityfocus.com/bid/103949vdb-entryx_refsource_BID
• software.schneider-electric.comhttp://software.schneider-electric.com/pdf/security-bulletin/lfsec00000125/x_refsource_MISC
• www.tenable.comhttps://www.tenable.com/security/research/tra-2018-07x_refsource_MISC
• ics-cert.us-cert.govhttps://ics-cert.us-cert.gov/advisories/ICSA-18-107-01x_refsource_MISC