How severe is CVE-2019-4305?

CVE-2019-4305 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2019-4305 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-4305?

CVE-2019-4305 affects Ibm Websphere Application Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-4305?

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

When was CVE-2019-4305 published?

CVE-2019-4305 was published on 2019-09-30 and last updated on 2026-06-17.

CVE-2019-4305

CVE-2019-4305 is a medium-severity vulnerability in Ibm Websphere Application Server with a CVSS 3.x base score of 5.3. 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-565.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-565
Affected product: Ibm Websphere Application Server
Published: 2019-09-30
Last modified: 2026-06-17

Description

IBM WebSphere Application Server Liberty could allow a remote attacker to obtain sensitive information caused by the improper setting of a cookie. IBM X-Force ID: 160951.

Frequently asked questions

What is CVE-2019-4305?: IBM WebSphere Application Server Liberty could allow a remote attacker to obtain sensitive information caused by the improper setting of a cookie. IBM X-Force ID: 160951.
How severe is CVE-2019-4305?: CVE-2019-4305 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2019-4305 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-4305?: CVE-2019-4305 affects Ibm Websphere Application Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-4305?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-4305 published?: CVE-2019-4305 was published on 2019-09-30 and last updated on 2026-06-17.

References

Affected products (1)

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

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