CVE-2018-6553

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

0.38% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 32.2% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Important. Red Hat's rating for its own products, not a CVSS rating.

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

2018-08-10 15:00Z8 YR AGO

Last updated

2024-09-16 19:51Z2 YR AGO

Reserved

2018-02-02

Assigning CNA

canonical

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-270Privilege Context Switching ErrorBase

Data version

5.1

Document digest

e08d96f8d367ddbf052f9b1e218a1689c080915d79a8ac7e79a812ad2cb449ab

• usn.ubuntu.comUSN-3713-1https://usn.ubuntu.com/usn/usn-3713-1vendor-advisoryx_refsource_UBUNTU
• www.debian.orgDSA-4243https://www.debian.org/security/2018/dsa-4243vendor-advisoryx_refsource_DEBIAN
• lists.debian.org[debian-lts-announce] 20180714 [SECURITY] [DLA 1426-1] cups security updatehttps://lists.debian.org/debian-lts-announce/2018/07/msg00014.htmlmailing-listx_refsource_MLIST
• security.gentoo.orgGLSA-201908-08https://security.gentoo.org/glsa/201908-08vendor-advisoryx_refsource_GENTOO