Security readout for executives and security teams
Plain-English summary
IBM Security Verify Access Docker 10.0.0 may store user credentials in clear text. A user with sufficient access could read sensitive credentials, creating confidentiality risk and potential follow-on compromise outside the container or application.
Executive priority
Handle as a moderate-priority confidentiality issue. It is not reported as actively exploited in the supplied sources, but stored credentials can enable broader compromise if accessed by an insider or already-compromised account.
Technical view
The CVE describes cleartext credential storage in IBM Security Verify Access Docker 10.0.0. CVSS 3.0 is 6.8 with high confidentiality impact, no integrity or availability impact, and high privileges required. The source description says readable by a local user; the vector lists network attack vector.
Likely exposure
Exposure appears limited to deployments running IBM Security Verify Access Docker version 10.0.0. Organizations not using that Docker distribution or not on 10.0.0 are not identified as affected in the supplied sources.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. Exploitation details are not provided. Treat this primarily as a credential exposure issue requiring inventory, vendor-guided remediation, and credential-risk review.
Researcher notes
Evidence is concise and incomplete: affected version, product, CVSS, and IBM references are available, but no CWE, exploit detail, or explicit remediation text is included in the bundle. Note the local-user description versus network attack vector mismatch.
Mitigation direction
- Check IBM advisory for the vendor-supported fix or workaround.
- Inventory IBM Security Verify Access Docker deployments for version 10.0.0.
- Restrict local or administrative access to affected containers and hosts.
- Rotate credentials that may have been exposed in clear text.
- Review access logs for unusual reads or administrative activity.
Validation and detection
- Confirm whether IBM Security Verify Access Docker 10.0.0 is deployed.
- Verify whether vendor guidance has been applied to affected deployments.
- Review configuration and secret storage against IBM guidance.
- Confirm exposed or potentially exposed credentials were rotated.
- Document unaffected systems by product and version evidence.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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.
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 lookupCVE-2021-20510 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.8 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/I:N/S:C/C:H/UI:N/PR:H/A:N/AV:N/AC:L/RL:O/E:U/RC:C
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.
CVSS vector scores
1 official scoreWe 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.
CVSS:3.0/I:N/S:C/C:H/UI:N/PR:H/A:N/AV:N/AC:L/RL:O/E:U/RC:C2.34Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
6.8MediumVector: CVSS:3.0/I:N/S:C/C:H/UI:N/PR:H/A:N/AV:N/AC:L/RL:O/E:U/RC:C
Source materials
- CVE List V5 sourceCVE List V5
- https://www.ibm.com/support/pages/node/6471895CVE reference · x_refsource_CONFIRM
- ibm-sam-cve202120510-info-disc (198299)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
