How severe is CVE-2022-34305?

CVE-2022-34305 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2022-34305 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-34305?

CVE-2022-34305 primarily affects Apache Tomcat. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-34305?

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

When was CVE-2022-34305 published?

CVE-2022-34305 was published on 2022-06-23 and last updated on 2026-06-17.

CVE-2022-34305

CVE-2022-34305 is a medium-severity vulnerability in Apache Tomcat with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Apache Tomcat
Published: 2022-06-23
Last modified: 2026-06-17

Description

In Apache Tomcat 10.1.0-M1 to 10.1.0-M16, 10.0.0-M1 to 10.0.22, 9.0.30 to 9.0.64 and 8.5.50 to 8.5.81 the Form authentication example in the examples web application displayed user provided data without filtering, exposing a XSS vulnerability.

Frequently asked questions

What is CVE-2022-34305?: In Apache Tomcat 10.1.0-M1 to 10.1.0-M16, 10.0.0-M1 to 10.0.22, 9.0.30 to 9.0.64 and 8.5.50 to 8.5.81 the Form authentication example in the examples web application displayed user provided data without filtering, exposing a XSS vulnerability.
How severe is CVE-2022-34305?: CVE-2022-34305 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2022-34305 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-34305?: CVE-2022-34305 primarily affects Apache Tomcat. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-34305?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-34305 published?: CVE-2022-34305 was published on 2022-06-23 and last updated on 2026-06-17.

References

Affected products (17)

cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:10.1.0:milestone1:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:10.1.0:milestone10:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:10.1.0:milestone11:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:10.1.0:milestone12:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:10.1.0:milestone13:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:10.1.0:milestone14:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:10.1.0:milestone15:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:10.1.0:milestone16:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:10.1.0:milestone2:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:10.1.0:milestone3:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:10.1.0:milestone4:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:10.1.0:milestone5:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:10.1.0:milestone6:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:10.1.0:milestone7:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:10.1.0:milestone8:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:10.1.0:milestone9:*:*:*:*:*:*

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