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CVE Record

CVE-2021-20523: IBM Security Verify Access Docker 10.0.0 could allow a remote attacker to obtain sensitive information when...

IBM Security Verify Access Docker 10.0.0 could allow a remote attacker to obtain sensitive information when a detailed technical error message is returned in the browser. This information could be used in further attacks against the system. IBM X-Force ID: 198660

LowCVSS 2.7Not KEV-listedUpdated
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Glexia's TakeAutomated analysislow

Security readout for executives and security teams

Plain-English summary

IBM Security Verify Access Docker 10.0.0 can expose sensitive technical details in browser error messages. The business risk is limited but real: an already highly privileged remote user could use the leaked information to plan later attacks. This is a hygiene and hardening issue, not evidence of an emergency.

Executive priority

Handle in normal vulnerability management unless the product is exposed to untrusted networks or privileged access is broadly shared. Prioritize inventory confirmation, vendor guidance review, and reducing unnecessary exposure.

Technical view

CVE-2021-20523 is an information disclosure issue in IBM Security Verify Access Docker 10.0.0. CVSS 3.0 is 2.7 low: network-reachable, low complexity, high privileges required, no user interaction, confidentiality impact only. The source bundle does not identify a CWE or exact vulnerable code path.

Likely exposure

Exposure appears limited to deployments running IBM Security Verify Access Docker 10.0.0 where detailed browser error messages are reachable by high-privilege remote users.

Exploitation context

The source bundle does not show active exploitation, and the CVE is not listed as KEV. CVSS exploit maturity is unproven. The main concern is reconnaissance value from leaked technical details, not direct compromise.

Researcher notes

Key gaps: no CWE, no detailed trigger condition, and no fix version in the supplied bundle. Treat the CVSS vector as authoritative for initial triage: AV:N/AC:L/PR:H/UI:N/C:L/I:N/A:N with official remediation indicated but details not included here.

Mitigation direction

  • Identify any IBM Security Verify Access Docker 10.0.0 deployments.
  • Review IBM advisory 6471895 for official remediation guidance.
  • Apply IBM-supported updates or configuration changes only as documented.
  • Limit access to privileged interfaces to approved administrators and networks.
  • Avoid exposing detailed technical errors in browser responses where supported.

Validation and detection

  • Confirm deployed IBM Security Verify Access Docker versions.
  • Check whether browser error pages expose sensitive technical details.
  • Verify access controls require high privileges for affected interfaces.
  • Review IBM advisory status for fixed versions or vendor instructions.
  • Document whether the affected product is internet-reachable or internal only.
Prepared
Confidence
high
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-2021-20523 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
Low
CVSS
2.7 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/S:U/I:N/C:L/UI:N/PR:H/A:N/AV:N/AC:L/RL:O/E:U/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
2.7CVSS 3.0LowCVSS:3.0/S:U/I:N/C:L/UI:N/PR:H/A:N/AV:N/AC:L/RL:O/E:U/RC:C1.21.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

2.7Low
CVSS 3.0 vector shape for CVE-2021-20523Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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