How severe is CVE-2021-20338?

CVE-2021-20338 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 user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-20338 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-20338?

CVE-2021-20338 primarily affects Ibm Collaborative Lifecycle Management. In total, 25 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-20338?

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

When was CVE-2021-20338 published?

CVE-2021-20338 was published on 2021-06-02 and last updated on 2026-06-17.

CVE-2021-20338

CVE-2021-20338 is a medium-severity vulnerability in Ibm Collaborative Lifecycle Management 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Ibm Collaborative Lifecycle Management
Published: 2021-06-02
Last modified: 2026-06-17

Description

IBM Jazz Foundation and IBM Engineering products are vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 194449.

Frequently asked questions

What is CVE-2021-20338?: IBM Jazz Foundation and IBM Engineering products are vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 194449.
How severe is CVE-2021-20338?: CVE-2021-20338 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 user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-20338 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-20338?: CVE-2021-20338 primarily affects Ibm Collaborative Lifecycle Management. In total, 25 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-20338?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-20338 published?: CVE-2021-20338 was published on 2021-06-02 and last updated on 2026-06-17.

References

Affected products (25)

cpe:2.3:a:ibm:collaborative_lifecycle_management:6.0.6:*:*:*:*:*:*:*
cpe:2.3:a:ibm:collaborative_lifecycle_management:6.0.6.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:engineering_lifecycle_management:7.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:engineering_lifecycle_management:7.0.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:engineering_lifecycle_management:7.0.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:engineering_lifecycle_optimization_-_engineering_insights:7.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:engineering_lifecycle_optimization_-_engineering_insights:7.0.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:engineering_lifecycle_optimization_-_engineering_insights:7.0.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:engineering_lifecycle_optimization_-_publishing:7.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:engineering_lifecycle_optimization_-_publishing:7.0.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:engineering_lifecycle_optimization_-_publishing:7.0.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:engineering_test_management:7.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:engineering_test_management:7.0.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_doors_next_generation:6.0.6:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_doors_next_generation:6.0.6.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_doors_next_generation:7.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_doors_next_generation:7.0.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_doors_next_generation:7.0.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_engineering_lifecycle_manager:6.0.6:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_engineering_lifecycle_manager:6.0.6.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_quality_manager:6.0.6:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_quality_manager:6.0.6.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:removable_media_manager:6.0.6:*:*:*:*:*:*:*
cpe:2.3:a:ibm:removable_media_manager:6.0.6.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:removable_media_manager:7.0:*:*:*:*:*:*:*

More vulnerabilities in Ibm Collaborative Lifecycle Management

CVE-2020-4495 — High (CVSS 8.8): IBM Jazz Foundation and IBM Engineering products could allow a remote attacker to bypass security restrictions, caused…
CVE-2020-4965 — High (CVSS 7.5): IBM Jazz Team Server products use weaker than expected cryptographic algorithms that could allow an attacker to decrypt…
CVE-2021-20371 — Medium (CVSS 6.5): IBM Jazz Foundation and IBM Engineering products could allow a remote attacker to obtain sensitive information when an…
CVE-2020-4732 — Medium (CVSS 6.5): IBM Jazz Foundation and IBM Engineering products could allow an authenticated user to obtain sensitive information due…
CVE-2021-29670 — Medium (CVSS 5.4): IBM Jazz Foundation and IBM Engineering products are vulnerable to cross-site scripting. This vulnerability allows…
CVE-2021-29668 — Medium (CVSS 5.4): IBM Jazz Foundation and IBM Engineering products are vulnerable to cross-site scripting. This vulnerability allows…

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