Security readout for executives and security teams
Plain-English summary
CVE-2020-4994 is a denial-of-service issue in specific IBM DataPower Gateway releases. A remote user could send invalid HTTP requests that temporarily disrupt availability. The sources describe limited availability impact, not data theft or code execution.
Executive priority
Treat as a moderate availability risk for exposed DataPower deployments. Prioritize remediation for internet-facing or business-critical gateways, but this is not described as data compromise or remote code execution.
Technical view
IBM DataPower Gateway 10.0.1.0 through 10.0.1.4 and 2018.4.1.0 through 2018.4.1.17 are affected. The CVSS 3.0 score is 5.3, with network attack vector, low complexity, no user interaction, and low availability impact.
Likely exposure
Exposure is limited to organizations running the named IBM DataPower Gateway versions, especially where HTTP services are reachable by untrusted networks or internet clients.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation. IBM describes a remote temporary denial of service caused by invalid HTTP requests. No public exploit status is confirmed here.
Researcher notes
Evidence is sparse in the provided bundle. The issue is characterized only as temporary denial of service from invalid HTTP requests. Do not assume broader impact beyond availability without IBM details.
Mitigation direction
- Check IBM advisory 6586526 for the official fixed level and update path.
- Upgrade or remediate affected DataPower Gateway releases according to IBM guidance.
- Restrict untrusted network access to exposed DataPower HTTP services where feasible.
- Monitor gateway availability and invalid HTTP request patterns.
Validation and detection
- Inventory IBM DataPower Gateway versions across all environments.
- Compare discovered versions with 10.0.1.0-10.0.1.4 and 2018.4.1.0-2018.4.1.17.
- Confirm whether IBM's official remediation has been applied.
- Review monitoring for temporary availability drops tied to malformed or invalid HTTP traffic.
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
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CVE-2020-4994 mapping review
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.3 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/PR:N/A:L/I:N/AV:N/C:N/S:U/UI:N/AC:L/RC:C/RL:O/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/PR:N/A:L/I:N/AV:N/C:N/S:U/UI:N/AC:L/RC:C/RL:O/E:U3.91.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
5.3MediumVector: CVSS:3.0/PR:N/A:L/I:N/AV:N/C:N/S:U/UI:N/AC:L/RC:C/RL:O/E:U
Source materials
- CVE List V5 sourceCVE List V5
- https://www.ibm.com/support/pages/node/6586526CVE reference · x_refsource_CONFIRM
- ibm-datapower-cve20204994-dos (192906)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.