Security readout for executives and security teams
Plain-English summary
IBM Resilient SOAR version 38 used weaker-than-expected cryptography. Under high-complexity conditions, an attacker could decrypt highly sensitive information. This is a confidentiality issue, not a reported integrity, availability, or code execution issue.
Executive priority
Treat as a moderate-priority confidentiality risk. Address during the next vulnerability remediation cycle, sooner if the SOAR platform stores regulated, customer, incident, or credential-related data.
Technical view
CVE-2021-20566 affects IBM Resilient SOAR 38. The CVSS 3.0 score is 5.9, with network attack vector, high attack complexity, no privileges, no user interaction, and high confidentiality impact only.
Likely exposure
Organizations running IBM Resilient SOAR version 38 are the known exposed population. The provided sources do not identify other versions, deployment modes, or required configuration conditions.
Exploitation context
The bundle does not cite active exploitation, and KEV status is false. IBM’s vector marks exploit maturity as unproven and attack complexity as high, reducing urgency compared with broadly exploitable flaws.
Researcher notes
Evidence is limited to IBM and CVE records. The issue is described as weak cryptography leading to possible decryption of sensitive data; no CWE, exploit detail, or exact fixed version is included in the bundle.
Mitigation direction
- Check IBM advisory node 6464043 for the official remediation path.
- Prioritize upgrade or vendor-recommended fix for any IBM Resilient SOAR 38 instance.
- Limit network access to SOAR administration and service interfaces.
- Review handling of highly sensitive data stored or processed by affected systems.
Validation and detection
- Inventory IBM Resilient SOAR deployments and confirm version numbers.
- Verify whether any instance is running version 38.
- Compare remediation state against IBM support advisory guidance.
- Document whether sensitive encrypted data exists on affected systems.
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-2021-20566 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
- 5.9 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/A:N/S:U/AC:H/I:N/PR:N/UI:N/AV:N/C:H/RL:O/RC:C/E:U
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/A:N/S:U/AC:H/I:N/PR:N/UI:N/AV:N/C:H/RL:O/RC:C/E:U2.23.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
5.9MediumVector: CVSS:3.0/A:N/S:U/AC:H/I:N/PR:N/UI:N/AV:N/C:H/RL:O/RC:C/E:U
Source materials
- CVE List V5 sourceCVE List V5
- https://www.ibm.com/support/pages/node/6464043CVE reference · x_refsource_CONFIRM
- ibm-resilient-cve202120566-info-disc (199238)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.