How severe is CVE-2022-34165?

CVE-2022-34165 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2022-34165 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-34165?

CVE-2022-34165 primarily affects Ibm Websphere Application Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-34165?

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

When was CVE-2022-34165 published?

CVE-2022-34165 was published on 2022-09-09 and last updated on 2026-06-17.

CVE-2022-34165

CVE-2022-34165 is a medium-severity vulnerability in Ibm Websphere Application Server with a CVSS 3.x base score of 5.4. 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: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-74
Affected product: Ibm Websphere Application Server
Published: 2022-09-09
Last modified: 2026-06-17

Description

IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 and IBM WebSphere Application Server Liberty 17.0.0.3 through 22.0.0.9 are vulnerable to HTTP header injection, caused by improper validation. This could allow an attacker to conduct various attacks against the vulnerable system, including cache poisoning and cross-site scripting. IBM X-Force ID: 229429.

Frequently asked questions

What is CVE-2022-34165?: IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 and IBM WebSphere Application Server Liberty 17.0.0.3 through 22.0.0.9 are vulnerable to HTTP header injection, caused by improper validation. This could allow an attacker to conduct various attacks against the vulnerable system, including cache poisoning and cross-site scripting. IBM X-Force ID: 229429.
How severe is CVE-2022-34165?: CVE-2022-34165 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2022-34165 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-34165?: CVE-2022-34165 primarily affects Ibm Websphere Application Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-34165?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-34165 published?: CVE-2022-34165 was published on 2022-09-09 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:liberty:*:*:*

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