CVE-2020-28935

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

0.49% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 42.1% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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

2020-12-07 21:46Z5 YR AGO

Last updated

2024-09-16 23:27Z2 YR AGO

Reserved

2020-11-18

Assigning CNA

NLnet Labs

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

Data version

5.1

Document digest

388c3f3e27562ce89aac19de99d189861122da6ac1a1a507919b6700ddef1bed

• www.nlnetlabs.nlhttps://www.nlnetlabs.nl/downloads/unbound/CVE-2020-28935.txt
• www.nlnetlabs.nlhttps://www.nlnetlabs.nl/downloads/nsd/CVE-2020-28935.txt
• security.gentoo.orgGLSA-202101-38https://security.gentoo.org/glsa/202101-38vendor-advisory
• lists.debian.org[debian-lts-announce] 20210212 [SECURITY] [DLA 2556-1] unbound1.9 security updatehttps://lists.debian.org/debian-lts-announce/2021/02/msg00017.htmlmailing-list
• lists.debian.org[debian-lts-announce] 20230329 [SECURITY] [DLA 3371-1] unbound security updatehttps://lists.debian.org/debian-lts-announce/2023/03/msg00024.htmlmailing-list