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CVE Record

CVE-2021-20500: IBM Security Verify Access Docker 10.0.0 could reveal highly sensitive information to a local privileged user.

IBM Security Verify Access Docker 10.0.0 could reveal highly sensitive information to a local privileged user. IBM X-Force ID: 197980.

MediumCVSS 4.4Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This issue affects IBM Security Verify Access Docker 10.0.0 and may expose highly sensitive information to someone who already has privileged local access. It is not described as a remote compromise issue in the provided sources, but confidentiality impact is high where privileged host or container users are not fully trusted.

Executive priority

Handle as a targeted confidentiality risk. Prioritize environments where IBM Security Verify Access protects sensitive identity, access, or session data, especially shared administration or container-host environments.

Technical view

CVE-2021-20500 is an information disclosure vulnerability in IBM Security Verify Access Docker 10.0.0. The CVSS vector is local attack vector, low complexity, high privileges required, no user interaction, high confidentiality impact, and no integrity or availability impact. No CWE is listed in the provided sources.

Likely exposure

Exposure appears limited to deployments running IBM Security Verify Access Docker 10.0.0 where local privileged users can access the affected environment.

Exploitation context

The source bundle does not show CISA KEV listing or active exploitation. CVSS exploit maturity is listed as unproven, so treat exploitation evidence as incomplete rather than confirmed.

Researcher notes

Public details in the bundle are sparse. The key constraints are local access, high privileges required, and confidentiality-only impact. Avoid assuming remote exploitability, broader product impact, or specific secret locations without vendor details.

Mitigation direction

  • Identify any IBM Security Verify Access Docker 10.0.0 deployments.
  • Review IBM advisory and X-Force entry for vendor-approved fixes or workarounds.
  • Upgrade or remediate affected deployments according to IBM guidance.
  • Restrict privileged local and container host access to trusted administrators.
  • Rotate sensitive secrets if exposure is suspected.

Validation and detection

  • Confirm deployed IBM Security Verify Access Docker versions.
  • Verify affected instances are no longer running version 10.0.0 after remediation.
  • Review privileged local access logs for unusual activity.
  • Check whether exposed secrets require rotation under internal policy.
  • Document remediation status for each affected deployment.
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

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

description · low confidence lookup

Container behavior lookup

The affected technology mentions containers, so container-specific ATT&CK technique review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2021-20500 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Medium
CVSS
4.4 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/AC:L/A:N/AV:L/S:U/I:N/PR:H/C:H/UI:N/E:U/RL:O/RC:C

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.

1CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
4.4CVSS 3.0MediumCVSS:3.0/AC:L/A:N/AV:L/S:U/I:N/PR:H/C:H/UI:N/E:U/RL:O/RC:C0.83.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

4.4Medium
CVSS 3.0 vector shape for CVE-2021-20500Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/AC:L/A:N/AV:L/S:U/I:N/PR:H/C:H/UI:N/E:U/RL:O/RC:C

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
IBMSecurity Verify Access Docker10.0.0Listed
Weakness

CWE details

No CWE listed

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