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CVE Record

CVE-2021-20533: IBM Security Verify Access Docker 10.0.0 could allow a remote authenticated attacker to execute arbitrary c...

IBM Security Verify Access Docker 10.0.0 could allow a remote authenticated attacker to execute arbitrary commands on the system by sending a specially crafted request. IBM X-Force ID: 198813

HighCVSS 8.4Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

IBM Security Verify Access Docker 10.0.0 has a high-severity command injection flaw. An already authenticated attacker with high privileges could send a crafted request and run arbitrary commands on the system. The issue is serious where this Docker deployment is reachable by administrators or trusted network users.

Executive priority

Prioritize remediation for any confirmed 10.0.0 deployment because successful abuse can lead to command execution and full system impact. Urgency is highest in environments with broad internal administrator access or weak segmentation.

Technical view

CVE-2021-20533 affects IBM Security Verify Access Docker 10.0.0. The published description identifies command execution through a specially crafted request. CVSS 3.0 score is 8.4 with high privileges required, no user interaction, adjacent attack vector, changed scope, and high confidentiality, integrity, and availability impact.

Likely exposure

Exposure is limited to organizations running IBM Security Verify Access Docker version 10.0.0. The CVSS vector indicates adjacent-network access and high privileges are required, so internet-wide unauthenticated exposure is not supported by the provided sources.

Exploitation context

The source bundle does not identify public exploitation or CISA KEV listing. Treat this as a serious post-authentication risk, especially if privileged Verify Access interfaces are reachable from broad internal networks or shared administrative environments.

Researcher notes

Evidence is limited to CVE, IBM advisory, and IBM X-Force metadata. Do not assume other IBM Security Verify Access versions are affected without vendor confirmation. The provided data supports high impact but not active exploitation.

Mitigation direction

  • Inventory IBM Security Verify Access Docker deployments and identify any version 10.0.0 instances.
  • Review IBM advisory node 6471895 for the official fix or workaround.
  • Apply IBM-published remediation where version 10.0.0 is present.
  • Restrict privileged access to trusted administrative networks and accounts.
  • Review administrative access logs for suspicious crafted-request activity.

Validation and detection

  • Confirm product and Docker image version for every Verify Access deployment.
  • Check whether IBM advisory remediation has been applied to affected instances.
  • Verify privileged interfaces are not reachable from untrusted network segments.
  • Review authentication logs for unexpected high-privilege access around exposed systems.
Prepared
Confidence
high
Sources
4

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-2021-20533 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
High
CVSS
8.4 (3.0)
Known Exploited
No
Published

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

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
8.4CVSS 3.0HighCVSS:3.0/I:H/S:C/UI:N/C:H/PR:H/A:H/AV:A/AC:L/RC:C/RL:O/E:U1.76Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

8.4High
CVSS 3.0 vector shape for CVE-2021-20533Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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.