Security readout for executives and security teams
IBM Operational Decision Management versions 8.5 through 8.9 can mishandle XML input. A remote low-privileged attacker could use this to expose sensitive information or consume memory. This is a high-severity issue because confidentiality impact is rated high, but the provided sources do not show CISA KEV-listed active exploitation. Exposure is limited to IBM Operational Decision Management deployments on versions 8.5 through 8.9, especially systems reachable over a network and processing XML data. The CVSS vector indicates low privileges are required. Treat as a high-priority remediation for any affected IBM ODM instance handling sensitive decisions or data. The main business risk is information exposure, with secondary availability impact from memory consumption. Mitigation focus: Identify all IBM ODM deployments and record exact versions.; Prioritize IBM ODM 8.5 through 8.9 for vendor-guided remediation.; Review IBM advisory and X-Force entry for fixed versions or interim fixes..
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
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ATT&CK lookup starting points
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CVE-2018-1821 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 7.1 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/A:L/AC:L/AV:N/C:H/I:N/PR:L/S:U/UI:N/E:U/RC:C/RL:O
CNA and ADP enrichment extracted from CVE v5
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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:L/AC:L/AV:N/C:H/I:N/PR:L/S:U/UI:N/E:U/RC:C/RL:O2.84.2Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
7.1HighVector: CVSS:3.0/A:L/AC:L/AV:N/C:H/I:N/PR:L/S:U/UI:N/E:U/RC:C/RL:O
Source materials
- CVE List V5 sourceCVE List V5
- https://www.ibm.com/support/docview.wss?uid=ibm10744149CVE reference · x_refsource_CONFIRM
- 46017CVE reference · exploit, x_refsource_EXPLOIT-DB
- ibm-websphere-cve20181821-xxe(150170)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.