How severe is CVE-2020-4336?

CVE-2020-4336 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-2020-4336 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-4336?

CVE-2020-4336 affects Ibm Websphere Extreme Scale. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-4336?

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

When was CVE-2020-4336 published?

CVE-2020-4336 was published on 2021-01-06 and last updated on 2026-06-17.

CVE-2020-4336

CVE-2020-4336 is a medium-severity vulnerability in Ibm Websphere Extreme Scale 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-200.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Ibm Websphere Extreme Scale
Published: 2021-01-06
Last modified: 2026-06-17

Description

IBM WebSphere eXtreme Scale 8.6.1 stores sensitive information in URL parameters. This may lead to information disclosure if unauthorized parties have access to the URLs via server logs, referrer header or browser history. IBM X-Force ID: 177932.

Frequently asked questions

What is CVE-2020-4336?: IBM WebSphere eXtreme Scale 8.6.1 stores sensitive information in URL parameters. This may lead to information disclosure if unauthorized parties have access to the URLs via server logs, referrer header or browser history. IBM X-Force ID: 177932.
How severe is CVE-2020-4336?: CVE-2020-4336 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-2020-4336 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-4336?: CVE-2020-4336 affects Ibm Websphere Extreme Scale. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-4336?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-4336 published?: CVE-2020-4336 was published on 2021-01-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:websphere_extreme_scale:*:*:*:*:*:*:*:*

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