CVE-2020-4239Network attack vector

Sensitive information disclosure via detailed error messages

Published Mar 31, 2020 · Updated Sep 17, 2024

Information disclosure in IBM Tivoli Netcool/Impact 7.1.0.0 through 7.1.0.17 allows remote attackers to read sensitive data via browser errors. IBM has not published the affected endpoint or handler, the triggering input, or the exact data included in the detailed technical response. No authentication or user interaction is required; the disclosed data is limited to confidentiality impact but can inform further attacks.

CVSS severity5.3
Medium
EPSS probability1.76%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in IBM Tivoli Netcool/Impact 7.1.0.0 through 7.1.0.17 allows remote attackers to read sensitive data via browser errors. IBM has not published the affected endpoint or handler, the triggering input, or the exact data included in the detailed technical response. No authentication or user interaction is required; the disclosed data is limited to confidentiality impact but can inform further attacks.

The record

CVE
CVE-2020-4239
Published
Mar 31, 2020
Updated
Sep 17, 2024
Vendor
IBM
Product
Tivoli Netcool/Impact
Classifications
CWE-209, CAPEC-215, CAPEC-463, CAPEC-54, CAPEC-7, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 31, 2020CVE publishedPublication date reported by the CVE source.
  2. Sep 17, 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=7.1.0
  2. Affected versionversion=7.1.0.17

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

IBM · Tivoli Netcool/Impactversion=7.1.0; version=7.1.0.17

Published CVSS scores

5.3NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
4.6IBM CorporationCVSS:3.0/S:U/I:N/UI:N/C:L/AC:L/A:N/PR:N/AV:N/RL:O/RC:C/E:U
5.0NIST NVDAV:N/AC:L/Au:N/C:P/I:N/A:N
5.3IBM CorporationCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-209Generation of Error Message Containing Sensitive Information
CAPEC-215Fuzzing for application mapping
CAPEC-463Padding Oracle Crypto Attack
CAPEC-54Query System for Information
CAPEC-7Blind SQL Injection
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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