CVE-2018-20433

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

4.59% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 91.0% 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

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

2018-12-24 13:00Z7 YR AGO

Last updated

2024-08-05 11:58Z2 YR AGO

Reserved

2018-12-24

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-611Improper Restriction of XML External Entity ReferenceBase

Data version

5.1

Document digest

7e08285169d74bba68895e858e44a4181b06d2e38b9a8f1498c8453ddabc8326

• lists.debian.org[debian-lts-announce] 20181228 [SECURITY] [DLA 1621-1] c3p0 security updatehttps://lists.debian.org/debian-lts-announce/2018/12/msg00021.htmlmailing-listx_refsource_MLIST
• github.comhttps://github.com/zhutougg/c3p0/commit/2eb0ea97f745740b18dd45e4a909112d4685f87bx_refsource_MISC
• lists.fedoraproject.orgFEDORA-2019-cb14e234fchttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BFIVX6HOVNLAM7W3SUAMHYRNLCVQSAWR/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2019-063672154ahttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MQ47OFV57Y2DAHMGA5H3JOL4WHRWRFN4/vendor-advisoryx_refsource_FEDORA