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CVE Record

CVE-2020-24622: In Sonatype Nexus Repository 3.26.1, an S3 secret key can be exposed by an admin user.

In Sonatype Nexus Repository 3.26.1, an S3 secret key can be exposed by an admin user.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This CVE concerns Sonatype Nexus Repository 3.26.1 exposing an S3 secret key to an admin user. The business risk is credential disclosure: an already privileged user may gain access to cloud storage credentials. The provided bundle does not include severity scoring, affected-version range, or confirmed fixed-version details.

Executive priority

Prioritize if Nexus 3.26.1 stores production S3 credentials or has broad administrator access. This is not supported as internet-exploited in the bundle, but exposed cloud credentials can create meaningful downstream business impact.

Technical view

The CVE description states that in Nexus Repository 3.26.1, an S3 secret key can be exposed by an admin user. The source bundle provides no CVSS vector, CWE, exploit details, or confirmed patch text. Analysis should treat this as privileged credential exposure until Sonatype guidance confirms exact impact and remediation.

Likely exposure

Likely exposure is limited to environments running Sonatype Nexus Repository 3.26.1 with S3 credentials configured. The described actor is an admin user, so external unauthenticated exposure is not supported by the provided evidence.

Exploitation context

The source bundle does not show CISA KEV listing, active exploitation, or public exploit evidence. Because admin access is required in the CVE description, this is most relevant to insider risk, compromised admin accounts, and over-permissioned administrative access.

Researcher notes

Evidence is sparse: the CVE text identifies Nexus Repository 3.26.1 and S3 secret key exposure by an admin user, but omits CVSS, CWE, patch range, and exploitability details. Avoid expanding affected versions without Sonatype confirmation.

Mitigation direction

  • Review Sonatype guidance for affected and fixed versions.
  • Upgrade only according to confirmed Sonatype remediation guidance.
  • Rotate S3 secret keys if exposure is suspected or confirmed.
  • Restrict Nexus administrative access to necessary personnel only.
  • Review S3 permissions for least-privilege scope.

Validation and detection

  • Inventory Nexus Repository instances and identify version 3.26.1.
  • Confirm whether S3 credentials are configured in Nexus.
  • Review admin access lists and recent administrative activity.
  • Check Sonatype references for fixed-version confirmation.
  • Audit cloud logs for unusual S3 credential use.
Prepared
Confidence
medium
Sources
4

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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description · low confidence lookup

Credential and access behavior lookup

The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

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cve · low confidence lookup

CVE-2020-24622 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.