How severe is CVE-2020-5304?

CVE-2020-5304 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2020-5304 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-2020-5304?

CVE-2020-5304 affects Whitesourcesoftware Whitesource. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-5304?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-5304 published?

CVE-2020-5304 was published on 2020-06-08 and last updated on 2026-06-17.

CVE-2020-5304

CVE-2020-5304 is a high-severity vulnerability in Whitesourcesoftware Whitesource with a CVSS 3.x base score of 7.5. 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-116.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-116
Affected product: Whitesourcesoftware Whitesource
Published: 2020-06-08
Last modified: 2026-06-17

Description

The dashboard in WhiteSource Application Vulnerability Management (AVM) before version 20.4.1 allows Log Injection via a %0A%0D substring in the idp parameter to the /saml/login URI. This closes the current log and creates a new log with one line of data. The attacker can also insert malicious data and false entries.

Frequently asked questions

What is CVE-2020-5304?: The dashboard in WhiteSource Application Vulnerability Management (AVM) before version 20.4.1 allows Log Injection via a %0A%0D substring in the idp parameter to the /saml/login URI. This closes the current log and creates a new log with one line of data. The attacker can also insert malicious data and false entries.
How severe is CVE-2020-5304?: CVE-2020-5304 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2020-5304 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-2020-5304?: CVE-2020-5304 affects Whitesourcesoftware Whitesource. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-5304?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-5304 published?: CVE-2020-5304 was published on 2020-06-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:whitesourcesoftware:whitesource:*:*:*:*:*:*:*:*

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