CVE-2018-18903

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

5.15% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 92.0% 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

2018-11-03 05:00Z7 YR AGO

Last updated

2024-08-05 11:23Z2 YR AGO

Reserved

2018-11-02

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-94Improper Control of Generation of Code ('Code Injection')Base

Data version

5.1

Document digest

cd118f5fc1c2e9b6f9a66dcf697faabb33a06afe73916af81c6a6036b27a424a

• srcincite.iohttps://srcincite.io/blog/2018/10/02/old-school-pwning-with-new-school-tricks-vanilla-forums-remote-code-execution.htmlx_refsource_MISC
• github.comhttps://github.com/vanilla/vanilla/releases/tag/Vanilla_2.6.4x_refsource_MISC
• open.vanillaforums.comhttps://open.vanillaforums.com/discussion/36771/security-update-vanilla-2-6-4x_refsource_MISC