CVE-2018-16557

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

0.82% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 56.8% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/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

2018-12-13 16:00Z7 YR AGO

Last updated

2024-08-05 10:24Z2 YR AGO

Reserved

2018-09-06

Assigning CNA

siemens

Record state

PUBLISHED

Severity

High (CVSS 8.2)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H/E:P/RL:O/RC:C

Weaknesses

• CWE-347Improper Verification of Cryptographic SignatureBase

Data version

5.1

Document digest

ededb3d81e22bff3c4d58fa9bfa2143893603f1024c127730eb09c60aa440861

• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-113131.pdf