How severe is CVE-2021-44833?

CVE-2021-44833 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-44833 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-44833?

CVE-2021-44833 affects Amazon Aws Opensearch. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-44833?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2021-44833 published?

CVE-2021-44833 was published on 2021-12-12 and last updated on 2026-06-17.

CVE-2021-44833

CVE-2021-44833 is a critical-severity vulnerability in Amazon Aws Opensearch with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-276.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-276
Affected product: Amazon Aws Opensearch
Published: 2021-12-12
Last modified: 2026-06-17

Description

The CLI 1.0.0 for Amazon AWS OpenSearch has weak permissions for the configuration file.

Frequently asked questions

What is CVE-2021-44833?: The CLI 1.0.0 for Amazon AWS OpenSearch has weak permissions for the configuration file.
How severe is CVE-2021-44833?: CVE-2021-44833 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-44833 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-44833?: CVE-2021-44833 affects Amazon Aws Opensearch. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-44833?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-44833 published?: CVE-2021-44833 was published on 2021-12-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:amazon:aws_opensearch:1.0.0:*:*:*:*:*:*:*

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