CVE-2019-4730Network attack vector

Authenticated data disclosure via XML external entities

Published May 31, 2021 · Updated Sep 16, 2024

XML External Entity Injection in IBM Cognos Analytics 11.0 and 11.1 allows remote authenticated users to expose data via XML processing. The XML parser processes attacker-controlled external entity declarations, allowing referenced resources to be read and expanded in memory. Exploitation requires a remote authenticated session and can disclose sensitive information or consume memory, causing service degradation.

CVSS severity7.1
High
EPSS probability1.97%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

XML External Entity Injection in IBM Cognos Analytics 11.0 and 11.1 allows remote authenticated users to expose data via XML processing. The XML parser processes attacker-controlled external entity declarations, allowing referenced resources to be read and expanded in memory. Exploitation requires a remote authenticated session and can disclose sensitive information or consume memory, causing service degradation.

The record

CVE
CVE-2019-4730
Published
May 31, 2021
Updated
Sep 16, 2024
Vendor
IBM
Product
Cognos Analytics
Classifications
CWE-611, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 31, 2021CVE publishedPublication date reported by the CVE source.
  2. Sep 16, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=11.0
  2. Affected versionversion=11.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

IBM · Cognos Analyticsversion=11.0; version=11.1

Published CVSS scores

6.5NVDAV:N/AC:L/Au:S/C:P/I:N/A:P
7.1IBMCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-611Improper Restriction of XML External Entity Reference
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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