CVE-2018-18568

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

0.73% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 53.9% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

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

2018-10-24 22:00Z8 YR AGO

Last updated

2024-08-05 11:15Z2 YR AGO

Reserved

2018-10-22

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-295Improper Certificate ValidationBase

Data version

5.1

Document digest

4df543fa1c347b0e548d35d940990bcbdf3424e453c54c72b4e4e8dae0539701

• www.syss.dehttps://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2018-027.txtx_refsource_MISC
• seclists.org20181023 [SYSS-2018-027] missing X.509 validation with Polycom VVX Phones (Skype for Business, on-premise) - CVE-2018-18568https://seclists.org/bugtraq/2018/Oct/36mailing-listx_refsource_BUGTRAQ