How severe is CVE-2020-15391?

CVE-2020-15391 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-15391 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-15391?

CVE-2020-15391 affects Devspace. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-15391?

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

When was CVE-2020-15391 published?

CVE-2020-15391 was published on 2020-07-23 and last updated on 2026-06-17.

CVE-2020-15391

CVE-2020-15391 is a critical-severity vulnerability in Devspace with a CVSS 3.x base score of 9.8. 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-306.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Devspace
Published: 2020-07-23
Last modified: 2026-06-17

Description

The UI in DevSpace 4.13.0 allows web sites to execute actions on pods (on behalf of a victim) because of a lack of authentication for the WebSocket protocol. This leads to remote code execution.

Frequently asked questions

What is CVE-2020-15391?: The UI in DevSpace 4.13.0 allows web sites to execute actions on pods (on behalf of a victim) because of a lack of authentication for the WebSocket protocol. This leads to remote code execution.
How severe is CVE-2020-15391?: CVE-2020-15391 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-15391 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-15391?: CVE-2020-15391 affects Devspace. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-15391?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-15391 published?: CVE-2020-15391 was published on 2020-07-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:devspace:devspace:4.13.0:*:*:*:*:*:*:*

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