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01 Record

CVE-2021-23406

Remote Code Execution (RCE)

HighPUBLISHEDCNA: snyk
CNA base score8.1 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P
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02 Description

Remote Code Execution (RCE)

03 Exploitation and scoring

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
2.94% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 87.0% of scored records. A rank, not a probability.
NVD base score
9.8 (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:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
Important. Red Hat's rating for its own products, not a CVSS rating.

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.

04 Metadata

Published
2021-08-24 07:45Z5 YR AGO
Last updated
2024-09-17 02:26Z2 YR AGO
Reserved
2021-01-08
Assigning CNA
snyk
Record state
PUBLISHED
Severity
High (CVSS 8.1)
CNA CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P
Weaknesses
  • CWE-94Improper Control of Generation of Code ('Code Injection')Base
Data version
5.1
Document digest
e3aff530305cc5df601f5a52f7b41196e083a69f8e4f071085e77fc88f39241b

05 Affected products

VendorProductVersionsPlatforms
n/apac-resolver< 5.0.0—

06 References