How severe is CVE-2020-15871?

CVE-2020-15871 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-15871 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-15871?

CVE-2020-15871 primarily affects Sonatype Nexus Repository Manager 3. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-15871?

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-2020-15871 published?

CVE-2020-15871 was published on 2020-07-31 and last updated on 2026-06-17.

CVE-2020-15871

CVE-2020-15871 is a high-severity vulnerability in Sonatype Nexus Repository Manager 3 with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Sonatype Nexus Repository Manager 3
Published: 2020-07-31
Last modified: 2026-06-17

Description

Sonatype Nexus Repository Manager OSS/Pro version before 3.25.1 allows Remote Code Execution.

Frequently asked questions

What is CVE-2020-15871?: Sonatype Nexus Repository Manager OSS/Pro version before 3.25.1 allows Remote Code Execution.
How severe is CVE-2020-15871?: CVE-2020-15871 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-15871 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-15871?: CVE-2020-15871 primarily affects Sonatype Nexus Repository Manager 3. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-15871?: 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-2020-15871 published?: CVE-2020-15871 was published on 2020-07-31 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:sonatype:nexus_repository_manager_3:*:*:*:*:oss:*:*:*
cpe:2.3:a:sonatype:nexus_repository_manager_3:*:*:*:*:pro:*:*:*

More vulnerabilities in Sonatype Nexus Repository Manager 3

CVE-2020-11753 — High (CVSS 8.8): An issue was discovered in Sonatype Nexus Repository Manager in versions 3.21.1 and 3.22.0. It is possible for a user…
CVE-2021-40143 — High (CVSS 8.2): Sonatype Nexus Repository 3.x through 3.33.1-01 is vulnerable to an HTTP header injection. By sending a crafted HTTP…
CVE-2020-15870 — Medium (CVSS 6.1): Sonatype Nexus Repository Manager OSS/Pro versions before 3.25.1 allow XSS (Issue 2 of 2).
CVE-2020-15869 — Medium (CVSS 5.4): Sonatype Nexus Repository Manager OSS/Pro versions before 3.25.1 allow XSS (issue 1 of 2).
CVE-2021-29158 — Medium (CVSS 4.9): Sonatype Nexus Repository Manager 3 Pro up to and including 3.30.0 has Incorrect Access Control.

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