CVE-2021-45087

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

1.61% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 75.7% 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

23f048c4e7884306c3cb564a31584f5a675bc85f7ce578c178eff09ff57df1b3

• 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
• lists.debian.org[debian-lts-announce] 20220818 [SECURITY] [DLA 3074-1] epiphany-browser security updatehttps://lists.debian.org/debian-lts-announce/2022/08/msg00006.htmlmailing-listx_refsource_MLIST