How severe is CVE-2020-4338?

CVE-2020-4338 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-4338 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-4338?

CVE-2020-4338 affects Ibm Mq. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-4338?

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

When was CVE-2020-4338 published?

CVE-2020-4338 was published on 2020-04-16 and last updated on 2026-06-17.

CVE-2020-4338

CVE-2020-4338 is a medium-severity vulnerability in Ibm Mq with a CVSS 3.x base score of 5.5. 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 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Ibm Mq
Published: 2020-04-16
Last modified: 2026-06-17

Description

IBM MQ 9.1.4 could allow a local attacker to obtain sensitive information by inclusion of sensitive data within runmqras data. IBM X-Force ID: 177937.

Frequently asked questions

What is CVE-2020-4338?: IBM MQ 9.1.4 could allow a local attacker to obtain sensitive information by inclusion of sensitive data within runmqras data. IBM X-Force ID: 177937.
How severe is CVE-2020-4338?: CVE-2020-4338 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-4338 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-4338?: CVE-2020-4338 affects Ibm Mq. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-4338?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-4338 published?: CVE-2020-4338 was published on 2020-04-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:mq:*:*:*:*:continuous_delivery:*:*:*

More vulnerabilities in Ibm Mq

CVE-2020-4682 — Critical (CVSS 9.8): IBM MQ 7.5, 8.0, 9.0, 9.1, 9.2 LTS, and 9.2 CD could allow a remote attacker to execute arbitrary code on the system,…
CVE-2022-22489 — Critical (CVSS 9.1): IBM MQ 8.0, (9.0, 9.1, 9.2 LTS), and (9.1 and 9.2 CD) are vulnerable to an XML External Entity Injection (XXE) attack…
CVE-2025-36128 — High (CVSS 7.5): IBM MQ 9.1, 9.2, 9.3, 9.4 LTS and 9.3, 9.4 CD is vulnerable to a denial of service, caused by improper enforcement of…
CVE-2024-31912 — High (CVSS 7.5): IBM MQ 9.3 LTS and 9.3 CD could allow an authenticated user to escalate their privileges under certain configurations…
CVE-2024-25015 — High (CVSS 7.5): IBM MQ 9.2 LTS, 9.3 LTS, and 9.3 CD Internet Pass-Thru could allow a remote user to cause a denial of service by…
CVE-2024-25016 — High (CVSS 7.5): IBM MQ and IBM MQ Appliance 9.0, 9.1, 9.2, 9.3 LTS and 9.3 CD could allow a remote unauthenticated attacker to cause a…

All CVEs affecting Ibm Mq →

Other CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor) vulnerabilities

CVE-2026-27604 — Critical (CVSS 10.0): FOSSBilling is a free, open-source billing and client management system. Starting in version 0.5.4 and prior to version…
CVE-2026-40965 — Critical (CVSS 10.0): Cloud Foundry UAA versions v76.12.0 through v78.12.0 are vulnerable to a private key exposure. The server contains a…
CVE-2026-42826 — Critical (CVSS 10.0): Exposure of sensitive information to an unauthorized actor in Azure DevOps allows an unauthorized attacker to disclose…
CVE-2025-29270 — Critical (CVSS 10.0): Incorrect access control in the realtime.cgi endpoint of Deep Sea Electronics devices DSE855 v1.1.0 to v1.1.26 allows…
CVE-2025-61481 — Critical (CVSS 10.0): An issue in MikroTik RouterOS v.7.14.2 and SwOS v.2.18 exposes the WebFig management interface over cleartext HTTP by…
CVE-2025-53624 — Critical (CVSS 10.0): The Docusaurus gists plugin adds a page to your Docusaurus instance, displaying all public gists of a GitHub user.…

Browse all CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor) vulnerabilities →