How severe is CVE-2022-33011?

CVE-2022-33011 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-33011 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-33011?

CVE-2022-33011 affects Withknown Known. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-33011?

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-2022-33011 published?

CVE-2022-33011 was published on 2022-07-08 and last updated on 2026-06-17.

CVE-2022-33011

CVE-2022-33011 is a high-severity vulnerability in Withknown Known with a CVSS 3.x base score of 8.8. 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-74.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-74
Affected product: Withknown Known
Published: 2022-07-08
Last modified: 2026-06-17

Description

Known v1.3.1+2020120201 was discovered to allow attackers to perform an account takeover via a host header injection attack.

Frequently asked questions

What is CVE-2022-33011?: Known v1.3.1+2020120201 was discovered to allow attackers to perform an account takeover via a host header injection attack.
How severe is CVE-2022-33011?: CVE-2022-33011 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-33011 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-33011?: CVE-2022-33011 affects Withknown Known. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-33011?: 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-2022-33011 published?: CVE-2022-33011 was published on 2022-07-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:withknown:known:*:*:*:*:*:*:*:*

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