CVE-2021-30137

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

0.71% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 51.1% of scored records. A rank, not a probability.

NVD base score

8.2 (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: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

2021-09-15 12:35Z4 YR AGO

Last updated

2024-08-03 22:24Z2 YR AGO

Reserved

2021-04-05

Assigning CNA

mitre

Record state

PUBLISHED

Severity

High (CVSS 7.7)

CNA CVSS vector

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

Weaknesses

• CWE-611Improper Restriction of XML External Entity ReferenceBase

Data version

5.1

Document digest

48ebddd20bbfd883696f5524bef88c7b39b740d77d06980a8019c093c0b87d23

• github.comhttps://github.com/post-cyberlabs/CVE-Advisory/blob/main/CVE-2021-30137.pdfx_refsource_MISC