CVE-2018-4991

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

4.69% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 91.1% 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

2018-05-19 17:00Z8 YR AGO

Last updated

2024-08-05 05:18Z2 YR AGO

Reserved

2018-01-03

Assigning CNA

adobe

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

432e160e8f7fbdc8f9d56a4f5e4b3aca4207c619c7ab87982c43557dd1bc72a9

• www.securityfocus.com104103http://www.securityfocus.com/bid/104103vdb-entryx_refsource_BID
• www.securitytracker.com1040860http://www.securitytracker.com/id/1040860vdb-entryx_refsource_SECTRACK
• helpx.adobe.comhttps://helpx.adobe.com/security/products/creative-cloud/apsb18-12.htmlx_refsource_MISC