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CVE Record

CVE-2021-20496: IBM Security Verify Access Docker 10.0.0 could allow an authenticated user to bypass input due to improper...

IBM Security Verify Access Docker 10.0.0 could allow an authenticated user to bypass input due to improper input validation. IBM X-Force ID: 197966.

LowCVSS 2.7Not KEV-listedUpdated
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Glexia's TakeAutomated analysislow

Security readout for executives and security teams

Plain-English summary

CVE-2021-20496 is a low-severity IBM Security Verify Access Docker issue affecting version 10.0.0. A highly privileged authenticated user could bypass input validation, creating limited integrity risk. The public bundle does not describe data theft, outage impact, or broader affected versions.

Executive priority

Treat as routine remediation unless this product is externally reachable or broadly administered. The issue has limited stated impact and requires high privileges, but affected security infrastructure should still be tracked to closure.

Technical view

The CVSS 3.0 score is 2.7: network reachable, low complexity, no user interaction, high privileges required, no confidentiality or availability impact, and low integrity impact. IBM attributes the issue to improper input validation and tracks it as X-Force ID 197966.

Likely exposure

Exposure appears limited to organizations running IBM Security Verify Access Docker 10.0.0 where highly privileged authenticated users can reach the affected interface. The bundle does not identify other versions, CPEs, or deployment conditions.

Exploitation context

The CVE is not listed as KEV, and the vector marks exploit maturity as unproven. The sources do not report active exploitation or provide public exploit evidence.

Researcher notes

Public evidence is sparse. The bundle identifies improper input validation and limited integrity impact, but not the specific input path, component behavior, or exact fixed version. Avoid assuming impact beyond IBM Security Verify Access Docker 10.0.0.

Mitigation direction

  • Check IBM advisory guidance for the official fix or workaround.
  • Inventory IBM Security Verify Access Docker deployments for version 10.0.0.
  • Restrict privileged access to trusted administrators only.
  • Limit network access to management or administrative interfaces.
  • Monitor IBM and X-Force updates for remediation details.

Validation and detection

  • Confirm deployed IBM Security Verify Access Docker version numbers.
  • Review privileged account access to affected deployments.
  • Check whether IBM advisory remediation has been applied.
  • Look for unusual privileged configuration or input-change activity.
  • Document scope if no version 10.0.0 deployment exists.
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-2021-20496 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:L/UI:N/C:N/PR:H/AV:N/A:N/AC:L/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
2.7CVSS 3.0LowCVSS:3.0/S:U/I:L/UI:N/C:N/PR:H/AV:N/A:N/AC:L/E:U/RL:O/RC:C1.21.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

2.7Low
CVSS 3.0 vector shape for CVE-2021-20496Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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