How severe is CVE-2021-29158?

CVE-2021-29158 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-29158 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-29158?

CVE-2021-29158 affects Sonatype Nexus Repository Manager 3. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-29158?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-29158 published?

CVE-2021-29158 was published on 2021-04-23 and last updated on 2026-06-17.

CVE-2021-29158

CVE-2021-29158 is a medium-severity vulnerability in Sonatype Nexus Repository Manager 3 with a CVSS 3.x base score of 4.9. 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-863.

Key facts

Severity: Medium (CVSS 3.x base score 4.9)
CVSS v2: 4.0
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Sonatype Nexus Repository Manager 3
Published: 2021-04-23
Last modified: 2026-06-17

Description

Sonatype Nexus Repository Manager 3 Pro up to and including 3.30.0 has Incorrect Access Control.

Frequently asked questions

What is CVE-2021-29158?: Sonatype Nexus Repository Manager 3 Pro up to and including 3.30.0 has Incorrect Access Control.
How severe is CVE-2021-29158?: CVE-2021-29158 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-29158 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-29158?: CVE-2021-29158 affects Sonatype Nexus Repository Manager 3. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-29158?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-29158 published?: CVE-2021-29158 was published on 2021-04-23 and last updated on 2026-06-17.

References

Affected products (1)

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

More vulnerabilities in Sonatype Nexus Repository Manager 3

CVE-2020-15871 — High (CVSS 8.8): Sonatype Nexus Repository Manager OSS/Pro version before 3.25.1 allows Remote Code Execution.
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).

All CVEs affecting Sonatype Nexus Repository Manager 3 →

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