CVE-2018-18586

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

3.28% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 87.6% of scored records. A rank, not a probability.

NVD base score

5.3 (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:L/I:N/A:N

NVD analysis status

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

Red Hat severity

Moderate. 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

2018-10-23 02:00Z7 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-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')Base

Data version

5.1

Document digest

3596e83fbfecab47fe74f869242c7ef2e9a895a22502c59bec2ca8538ac08f4b

• github.comhttps://github.com/kyz/libmspack/commit/7cadd489698be117c47efcadd742651594429e6dx_refsource_MISC
• www.openwall.comhttps://www.openwall.com/lists/oss-security/2018/10/22/1x_refsource_MISC
• bugs.debian.orghttps://bugs.debian.org/911639x_refsource_MISC
• security.gentoo.orgGLSA-201903-20https://security.gentoo.org/glsa/201903-20vendor-advisoryx_refsource_GENTOO