How severe is CVE-2020-15868?

CVE-2020-15868 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 high, integrity none, and availability none.

Is CVE-2020-15868 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-15868?

CVE-2020-15868 primarily affects Sonatype Nexus Repository Manager. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-15868?

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-2020-15868 published?

CVE-2020-15868 was published on 2020-08-12 and last updated on 2026-06-17.

CVE-2020-15868

CVE-2020-15868 is a high-severity vulnerability in Sonatype Nexus Repository Manager 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.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Sonatype Nexus Repository Manager
Published: 2020-08-12
Last modified: 2026-06-17

Description

Sonatype Nexus Repository Manager OSS/Pro before 3.26.0 has Incorrect Access Control.

Frequently asked questions

What is CVE-2020-15868?: Sonatype Nexus Repository Manager OSS/Pro before 3.26.0 has Incorrect Access Control.
How severe is CVE-2020-15868?: CVE-2020-15868 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 high, integrity none, and availability none.
Is CVE-2020-15868 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-15868?: CVE-2020-15868 primarily affects Sonatype Nexus Repository Manager. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-15868?: 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-2020-15868 published?: CVE-2020-15868 was published on 2020-08-12 and last updated on 2026-06-17.

References

https://support.sonatype.com/hc/en-us/articles/360052192533

Affected products (2)

cpe:2.3:a:sonatype:nexus_repository_manager:*:*:*:*:open_source:*:*:*
cpe:2.3:a:sonatype:nexus_repository_manager:*:*:*:*:professional:*:*:*

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CVE-2019-9629 — Critical (CVSS 9.8): Sonatype Nexus Repository Manager before 3.17.0 establishes a default administrator user with weak defaults (fixed…
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CVE-2017-17717 — Critical (CVSS 9.8): Sonatype Nexus Repository Manager through 2.14.5 has weak password encryption with a hardcoded CMMDwoV value in the…
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CVE-2019-9630 — High (CVSS 7.5): Sonatype Nexus Repository Manager before 3.17.0 has a weak default of giving any unauthenticated user read permissions…

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