CVE-2018-1821

mediumpriority · attend · 52EPSS 0.158 · 97 %ileexploit · functionalEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · functional

Likely / severe?

15.8% (97th) EPSS

CVSS 6.4 · medium

Is it mine?

9 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

IBM Operational Decision Management 8.5, 8.6, 8.7, 8.8, and 8.9 is vulnerable to a XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. IBM X-Force ID: 150170.

cvss

Technical severity, 0–10. One row per scoring source.

9.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 6.4–9.1

v2.06.4mediumAV:N/AC:L/Au:N/C:P/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 4.9

v3.09.1criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.2

v3.07.1highCVSS:3.0/A:L/AC:L/AV:N/C:H/I:N/PR:L/S:U/UI:N/E:U/RC:C/RL:Osecondary · ENISA EU

v3.07.1highCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Lsecondary · psirt@us.ibm.com USexploitability 2.8 · impact 4.2

v3.08.6highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H/E:Psecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-611USprimary

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-46017IBM Operational Decision Manager 8.x - XML External Entity Injectionfunctional · exploit_db

affected products (9)

Products and version ranges known to be affected.

IBM Operational Decision Management≤ 8.7enisa_euvdEU
IBM Operational Decision Management≤ 8.5enisa_euvdEU
IBM Operational Decision Management≤ 8.8enisa_euvdEU
IBM Operational Decision Management≤ 8.6enisa_euvdEU
IBM Operational Decision Management≤ 8.9enisa_euvdEU
ibm operational decision manager8.6.0.0 → 8.6.0.3nvdUScpe:2.3:a:ibm:operational_decision_manager:*:*:*:*:*:*:*:*
ibm operational decision manager8.7.0.0 → 8.7.1.2nvdUScpe:2.3:a:ibm:operational_decision_manager:*:*:*:*:*:*:*:*
ibm operational decision manager8.8.0.0 → 8.8.1.3nvdUScpe:2.3:a:ibm:operational_decision_manager:*:*:*:*:*:*:*:*
ibm operational decision manager8.9.0.0 → 8.9.2.1nvdUScpe:2.3:a:ibm:operational_decision_manager:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2018-12-13modified 2026-06-17

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+1515 more

references (13)

External citations — patches, advisories, analysis.

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