CVE-2021-45086

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

1.29% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 68.3% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

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

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2021-12-16 02:19Z4 YR AGO

Last updated

2024-08-04 04:32Z2 YR AGO

Reserved

2021-12-16

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base

Data version

5.1

Document digest

4c9eae639dce75017e287a25d857572cc0a2396acbe4da4431f45b04882588e7

• gitlab.gnome.orghttps://gitlab.gnome.org/GNOME/epiphany/-/issues/1612x_refsource_MISC
• gitlab.gnome.orghttps://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/1045x_refsource_MISC
• www.debian.orgDSA-5042https://www.debian.org/security/2022/dsa-5042vendor-advisoryx_refsource_DEBIAN