CVE-2021-27858

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

2.77% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 85.9% of scored records. A rank, not a probability.

NVD base score

5.3 (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:L/I:N/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

2021-12-15 16:14Z4 YR AGO

Last updated

2024-09-17 01:16Z2 YR AGO

Reserved

2021-03-01

Assigning CNA

certcc

Record state

PUBLISHED

Severity

Medium (CVSS 5.3)

CNA CVSS vector

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

Weaknesses

• CWE-862Missing AuthorizationClass

Data version

5.1

Document digest

848675bbc42d5d37c0d7ff65ce00fcf00774445c6a54dc5a34f3c608ec8509b9

• www.zeroscience.mkhttps://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5682.phpx_refsource_MISC
• www.fatpipeinc.comhttps://www.fatpipeinc.com/support/cve-list.phpx_refsource_CONFIRM
• www.zeroscience.mkhttps://www.zeroscience.mk/codes/fatpipe_auth.txtx_refsource_MISC