CVE-2018-1000544

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

4.58% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 90.8% 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:3.1/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

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

2018-06-26 16:00Z8 YR AGO

Last updated

2024-08-05 12:40Z2 YR AGO

Reserved

2018-06-15

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-59Improper Link Resolution Before File Access ('Link Following')Base
• CWE-434Unrestricted Upload of File with Dangerous TypeBase
• CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')Base

Data version

5.1

Document digest

1ac047fda27a5e72782a47b54f8153b00641c74a57fbe2b49330ba396a19159e

• github.comhttps://github.com/rubyzip/rubyzip/issues/369x_refsource_MISC
• access.redhat.comRHSA-2018:3466https://access.redhat.com/errata/RHSA-2018:3466vendor-advisoryx_refsource_REDHAT
• lists.debian.org[debian-lts-announce] 20180815 [SECURITY] [DLA 1467-1] ruby-zip security updatehttps://lists.debian.org/debian-lts-announce/2018/08/msg00013.htmlmailing-listx_refsource_MLIST
• lists.debian.org[debian-lts-announce] 20200801 [SECURITY] [DLA 2307-1] ruby-zip security updatehttps://lists.debian.org/debian-lts-announce/2020/08/msg00002.htmlmailing-listx_refsource_MLIST