CVE-2021-22857

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

1.83% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 78.6% of scored records. A rank, not a probability.

NVD base score

7.5 (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:H/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

2021-02-17 10:45Z5 YR AGO

Last updated

2024-09-16 22:08Z2 YR AGO

Reserved

2021-01-06

Assigning CNA

twcert

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

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

Weaknesses

• CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')Base

Data version

5.1

Document digest

8fac2f4ffd0286e8870e13e24e769d38be2aec10d6fe14c0dfcab7621a2049fb

• www.twcert.org.twhttps://www.twcert.org.tw/tw/cp-132-4395-c01f7-1.htmlx_refsource_MISC
• www.chtsecurity.comhttps://www.chtsecurity.com/news/fe1e30ef-4dac-4848-a3c9-a7df12672422x_refsource_CONFIRM