CVE-2018-4858

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

1.84% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 77.1% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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

2018-07-09 19:00Z8 YR AGO

Last updated

2024-09-16 17:28Z1 YR AGO

Reserved

2018-01-02

Assigning CNA

siemens

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-284Improper Access ControlPillar

Data version

5.1

Document digest

1acac4a8841e258dab8f475aaf2274c6b251fc07914324567a0537d3e46785a3

• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-159860.pdfx_refsource_CONFIRM
• www.securityfocus.com105933http://www.securityfocus.com/bid/105933vdb-entryx_refsource_BID
• ics-cert.us-cert.govhttps://ics-cert.us-cert.gov/advisories/ICSA-18-317-01x_refsource_MISC