CVE-2021-28271

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

1.87% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 77.4% of scored records. A rank, not a probability.

NVD base score

8.8 (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:H/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

2021-04-27 12:51Z5 YR AGO

Last updated

2024-08-03 21:40Z2 YR AGO

Reserved

2021-03-12

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-276Incorrect Default PermissionsBase

Data version

5.1

Document digest

eb5f55e5e0a2b633ceb7785b0bab96d2e4f4ca1653ca1b48f18d3f1ee963176a

• www.zeroscience.mkhttps://www.zeroscience.mk/en/vulnerabilitiesx_refsource_MISC
• www.exploit-db.comExploit Databasehttps://www.exploit-db.com/exploits/49678exploitx_refsource_EXPLOIT-DB
• www.zeroscience.mkhttps://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5633.phpx_refsource_MISC