How severe is CVE-2021-40960?

CVE-2021-40960 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-2021-40960 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-40960?

CVE-2021-40960 affects Galera Galera Webtemplate. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-40960?

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-2021-40960 published?

CVE-2021-40960 was published on 2021-10-01 and last updated on 2026-06-17.

CVE-2021-40960

CVE-2021-40960 is a critical-severity vulnerability in Galera Galera Webtemplate 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-22.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 10% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Galera Galera Webtemplate
Published: 2021-10-01
Last modified: 2026-06-17

Description

Galera WebTemplate 1.0 is affected by a directory traversal vulnerability that could reveal information from /etc/passwd and /etc/shadow.

Frequently asked questions

What is CVE-2021-40960?: Galera WebTemplate 1.0 is affected by a directory traversal vulnerability that could reveal information from /etc/passwd and /etc/shadow.
How severe is CVE-2021-40960?: CVE-2021-40960 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-2021-40960 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-40960?: CVE-2021-40960 affects Galera Galera Webtemplate. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-40960?: 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-2021-40960 published?: CVE-2021-40960 was published on 2021-10-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:galera:galera_webtemplate:1.0:*:*:*:*:*:*:*

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