How severe is CVE-2021-26909?

CVE-2021-26909 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2021-26909 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-26909?

CVE-2021-26909 affects Automox. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-26909?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-26909 published?

CVE-2021-26909 was published on 2021-04-23 and last updated on 2026-06-17.

CVE-2021-26909

CVE-2021-26909 is a low-severity vulnerability in Automox with a CVSS 3.x base score of 3.7. 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-330.

Key facts

Severity: Low (CVSS 3.x base score 3.7)
CVSS v2: 5.0
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-330
Affected product: Automox
Published: 2021-04-23
Last modified: 2026-06-17

Description

Automox Agent prior to version 31 uses an insufficiently protected S3 bucket endpoint for storing sensitive files, which could be brute-forced by an attacker to subvert an organization's security program. The issue has since been fixed in version 31 of the Automox Agent.

Frequently asked questions

What is CVE-2021-26909?: Automox Agent prior to version 31 uses an insufficiently protected S3 bucket endpoint for storing sensitive files, which could be brute-forced by an attacker to subvert an organization's security program. The issue has since been fixed in version 31 of the Automox Agent.
How severe is CVE-2021-26909?: CVE-2021-26909 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2021-26909 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-26909?: CVE-2021-26909 affects Automox. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-26909?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-26909 published?: CVE-2021-26909 was published on 2021-04-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:automox:automox:*:*:*:*:*:*:*:*

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