CVE-2018-20721

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

2.05% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 81.1% 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:3.1/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

Low. 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

2019-01-16 14:00Z7 YR AGO

Last updated

2024-08-05 12:12Z2 YR AGO

Reserved

2019-01-16

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-125Out-of-bounds ReadBase

Data version

5.1

Document digest

45dfc4d3234ddfa2bb93bc6f87187d29929d842601056b5bb8c45a6dae419e06

• lists.debian.org[debian-lts-announce] 20190218 [SECURITY] [DLA 1682-1] uriparser security updatehttps://lists.debian.org/debian-lts-announce/2019/02/msg00028.htmlmailing-listx_refsource_MLIST
• github.comhttps://github.com/uriparser/uriparser/commit/cef25028de5ff872c2e1f0a6c562eb3ea9ecbce4x_refsource_CONFIRM
• github.comhttps://github.com/uriparser/uriparser/blob/master/ChangeLogx_refsource_CONFIRM
• lists.debian.org[debian-lts-announce] 20211130 [SECURITY] [DLA 2834-1] uriparser security updatehttps://lists.debian.org/debian-lts-announce/2021/11/msg00029.htmlmailing-listx_refsource_MLIST