CVE-2018-1821

Q: How do I fix CVE-2018-1821?

Upgrade operational decision manager to 8.9.2.1 or later.

Q: Is CVE-2018-1821 being actively exploited?

Not that we know of. CVE-2018-1821 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 13.2% is the estimated probability that it will be exploited in the next 30 days. That is higher than 96% of all scored CVEs.

Q: How severe is CVE-2018-1821?

CVE-2018-1821 has a CVSS v3 base score of 7.1, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2018-1821 affect?

Published advisories record a fix for operational decision manager (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

HIGHEPSS 96th pctl

7.1

CVSS v3

NVD

Description

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.

CWE-611XML External Entity (XXE)

How to fix

Remediation Available

operational decision managerNVD

Affected:>= 8.9.0.0, < 8.9.2.1Fixed in:8.9.2.1CVE-2018-1821derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityLow

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L

Exploit Intelligence

13.24%probability of exploitation in 30 days

96thpercentile

Very high risk: more likely to be exploited than 96% of all known CVEs.

References

Exploit1

exploit-db.com

Vendor Advisory2

Third-Party Advisory1

securityfocus.com

Related Vulnerabilities

Other CWE-611 (XML External Entity (XXE)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-34102	Critical	9.8	100%	KEV	Fix
CVE-2019-9670	Critical	9.8	100%	KEV	Fix
CVE-2022-28219	Critical	9.8	97%	-	-
CVE-2024-22024	High	8.3	95%	-	-
CVE-2024-38653	High	7.5	92%	-	-
CVE-2017-12629	Critical	9.8	92%	-	Fix

Common questions

How do I fix CVE-2018-1821?

Upgrade operational decision manager to 8.9.2.1 or later.

Is CVE-2018-1821 being actively exploited?

Not that we know of. CVE-2018-1821 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 13.2% is the estimated probability that it will be exploited in the next 30 days. That is higher than 96% of all scored CVEs.

How severe is CVE-2018-1821?

CVE-2018-1821 has a CVSS v3 base score of 7.1, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2018-1821 affect?

Published advisories record a fix for operational decision manager (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2018-1821

Markdown

[![CVE-2018-1821](https://tridentstack.com/cve/badge/CVE-2018-1821.svg)](https://tridentstack.com/cve/CVE-2018-1821)

HTML

<a href="https://tridentstack.com/cve/CVE-2018-1821"><img src="https://tridentstack.com/cve/badge/CVE-2018-1821.svg" alt="CVE-2018-1821"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

See how it works Start freeThis CVE lookup is free and always will be.

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.