CVE-2021-41177

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

1.55% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 74.7% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

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

2021-10-25 21:50Z5 YR AGO

Last updated

2024-08-04 02:59Z2 YR AGO

Reserved

2021-09-15

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

High (CVSS 8.1)

CNA CVSS vector

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

Weaknesses

• CWE-799Improper Control of Interaction FrequencyClass

Data version

5.1

Document digest

bcc0825587392f4d432e89a3c072928d185c71cab769c47b599985b02cb2423a

• github.comhttps://github.com/nextcloud/security-advisories/security/advisories/GHSA-fj39-4qx4-m3f2x_refsource_CONFIRM
• github.comhttps://github.com/nextcloud/server/pull/28728x_refsource_MISC
• hackerone.comhttps://hackerone.com/reports/1265709x_refsource_MISC
• security.gentoo.orgGLSA-202208-17https://security.gentoo.org/glsa/202208-17vendor-advisoryx_refsource_GENTOO