Security readout for executives and security teams
Plain-English summary
IBM Security Verify Access 20.07 could leave web pages stored locally where another user on the same system can read them. The business impact is mainly limited confidentiality exposure, not system takeover. Risk is higher on shared hosts or systems with multiple local users.
Executive priority
Treat as a targeted remediation item, not an emergency. Prioritize patch confirmation on shared administrative hosts or environments handling sensitive authentication pages.
Technical view
CVE-2021-20575 is a local information disclosure issue in IBM Security Verify Access 20.07. The CVSS 3.0 score is 4.0, with local attack vector and low confidentiality impact. Sources do not describe integrity or availability impact, exploit details, or broader affected versions.
Likely exposure
Exposure appears limited to IBM Security Verify Access 20.07 deployments, especially where multiple local users can access the same system or stored local web content.
Exploitation context
The CVE is not listed as CISA KEV, and the source bundle does not report active exploitation. CVSS marks exploit code maturity as unproven.
Researcher notes
The public bundle identifies X-Force ID 199278 but provides limited technical detail. No CWE is assigned. Do not infer remote exposure, exploitability, or affected versions beyond IBM Security Verify Access 20.07 from these sources.
Mitigation direction
- Check IBM advisory 6457315 for the official fix or remediation path.
- Upgrade or patch affected IBM Security Verify Access 20.07 deployments per IBM guidance.
- Restrict local user access on systems hosting the affected product.
- Avoid shared local accounts on affected systems.
- Review operational handling of locally stored web pages.
Validation and detection
- Inventory IBM Security Verify Access versions in production and support environments.
- Confirm whether version 20.07 is present anywhere.
- Verify IBM advisory remediation status for each affected host.
- Review whether affected hosts allow multiple local users.
- Document residual exposure where patching is delayed.
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.
CVE-2021-20575 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
- 4 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AC:L/AV:L/C:L/S:U/PR:N/UI:N/I:N/A:N/RC:C/E:U/RL:O
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/AC:L/AV:L/C:L/S:U/PR:N/UI:N/I:N/A:N/RC:C/E:U/RL:O2.51.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
4MediumVector: CVSS:3.0/AC:L/AV:L/C:L/S:U/PR:N/UI:N/I:N/A:N/RC:C/E:U/RL:O
Source materials
- CVE List V5 sourceCVE List V5
- https://www.ibm.com/support/pages/node/6457315CVE reference · x_refsource_CONFIRM
- ibm-appgateway-cve202120575-info-disc (199278)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.