Security readout for executives and security teams
Plain-English summary
IBM Edge 4.2 may expose server version details on error pages. This is not a direct takeover issue, but it can help an authenticated attacker profile the environment and plan follow-on attacks.
Executive priority
Treat this as a medium-priority hygiene issue. It is unlikely to be the sole cause of compromise, but it reduces attacker reconnaissance value and should be closed during normal maintenance.
Technical view
CVE-2020-4941 is an information disclosure flaw in IBM Edge 4.2. The CVSS 3.0 vector indicates network access, low privileges, low complexity, no user interaction, and limited confidentiality impact only.
Likely exposure
Exposure is limited to organizations running IBM Edge 4.2 where authenticated or low-privileged users can reach error pages that reveal server version details.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation. IBM X-Force lists the issue, and CVSS marks exploit code maturity as unproven.
Researcher notes
Evidence is narrow: affected product, version, and impact are clear, but the source bundle does not provide detailed advisory text or specific remediation steps. Do not expand scope beyond IBM Edge 4.2.
Mitigation direction
- Review IBM advisory 6491627 and X-Force 191941 for supported remediation.
- Apply only IBM-supported updates or configuration changes for IBM Edge 4.2.
- Limit unnecessary access to affected IBM Edge services while remediation is pending.
- Ensure public-facing error responses do not expose detailed server metadata.
Validation and detection
- Inventory environments for IBM Edge 4.2 instances.
- Confirm whether reachable error pages disclose server version information.
- Verify remediation against IBM guidance after changes are applied.
- Record compensating controls if IBM remediation cannot be applied immediately.
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-2020-4941 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 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/S:U/PR:L/A:N/AC:L/UI:N/C:L/I:N/E:U/RL:O/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/AV:N/S:U/PR:L/A:N/AC:L/UI:N/C:L/I:N/E:U/RL:O/RC:C2.81.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
4.3MediumVector: CVSS:3.0/AV:N/S:U/PR:L/A:N/AC:L/UI:N/C:L/I:N/E:U/RL:O/RC:C
Source materials
- CVE List V5 sourceCVE List V5
- https://www.ibm.com/support/pages/node/6491627CVE reference · x_refsource_CONFIRM
- ibm-edge-cve20204941-info-disc (191941)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.