How severe is CVE-2020-15952?

CVE-2020-15952 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-15952 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-15952?

CVE-2020-15952 affects Immuta. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-15952?

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-2020-15952 published?

CVE-2020-15952 was published on 2020-11-05 and last updated on 2026-06-17.

CVE-2020-15952

CVE-2020-15952 is a critical-severity vulnerability in Immuta with a CVSS 3.x base score of 9.0. 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: Critical (CVSS 3.x base score 9.0)
CVSS v2: 6.0
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Immuta
Published: 2020-11-05
Last modified: 2026-06-17

Description

Immuta v2.8.2 is affected by stored XSS that allows a low-privileged user to escalate privileges to administrative permissions. Additionally, unauthenticated attackers can phish unauthenticated Immuta users to steal credentials or force actions on authenticated users through reflected, DOM-based XSS.

Frequently asked questions

What is CVE-2020-15952?: Immuta v2.8.2 is affected by stored XSS that allows a low-privileged user to escalate privileges to administrative permissions. Additionally, unauthenticated attackers can phish unauthenticated Immuta users to steal credentials or force actions on authenticated users through reflected, DOM-based XSS.
How severe is CVE-2020-15952?: CVE-2020-15952 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-15952 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-15952?: CVE-2020-15952 affects Immuta. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-15952?: 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-2020-15952 published?: CVE-2020-15952 was published on 2020-11-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:immuta:immuta:2.8.2:*:*:*:*:*:*:*

More vulnerabilities in Immuta

CVE-2020-15950 — High (CVSS 8.8): Immuta v2.8.2 is affected by improper session management: user sessions are not revoked upon logout.
CVE-2020-15949 — High (CVSS 7.5): Immuta v2.8.2 is affected by one instance of insecure permissions that can lead to user account takeover.
CVE-2020-15951 — Medium (CVSS 6.1): Immuta v2.8.2 accepts user-supplied project names without properly sanitizing the input, allowing attackers to inject…

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