How severe is CVE-2021-3706?

CVE-2021-3706 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-3706 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-3706?

CVE-2021-3706 affects Pi-hole Web Interface. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-3706?

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

When was CVE-2021-3706 published?

CVE-2021-3706 was published on 2021-09-15 and last updated on 2026-06-17.

CVE-2021-3706

CVE-2021-3706 is a high-severity vulnerability in Pi-hole Web Interface with a CVSS 3.x base score of 7.5. 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-732.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-732
Affected product: Pi-hole Web Interface
Published: 2021-09-15
Last modified: 2026-06-17

Description

adminlte is vulnerable to Sensitive Cookie Without 'HttpOnly' Flag

Frequently asked questions

What is CVE-2021-3706?: adminlte is vulnerable to Sensitive Cookie Without 'HttpOnly' Flag
How severe is CVE-2021-3706?: CVE-2021-3706 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-3706 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-3706?: CVE-2021-3706 affects Pi-hole Web Interface. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-3706?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-3706 published?: CVE-2021-3706 was published on 2021-09-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:pi-hole:web_interface:*:*:*:*:*:*:*:*

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