CVE-2020-4964Network attack vector

Authenticated phishing via customized application messages

Published Apr 12, 2021 · Updated Sep 16, 2024

Input manipulation in IBM Jazz Foundation 6.0.2 through 7.0.2 allows remote authenticated users to display phishing messages. IBM has not published the affected request, parameter, or message-rendering operation that accepts the customized content. An authenticated account is required, and successful exploitation changes content shown to other application users without a reported confidentiality or availability impact.

CVSS severity4.3
Medium
EPSS probability0.64%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Input manipulation in IBM Jazz Foundation 6.0.2 through 7.0.2 allows remote authenticated users to display phishing messages. IBM has not published the affected request, parameter, or message-rendering operation that accepts the customized content. An authenticated account is required, and successful exploitation changes content shown to other application users without a reported confidentiality or availability impact.

The record

CVE
CVE-2020-4964
Published
Apr 12, 2021
Updated
Sep 16, 2024
Vendor
IBM
Product
IBM Engineering Systems Design Rhapsody - Model Manager
Classifications
T1566
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 12, 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

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

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

  1. Affected versionversion=6.0.2
  2. Affected versionversion=6.0.6
  3. Affected versionversion=6.0.6.1
  4. Affected versionversion=7.0
  5. Affected versionversion=7.0.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

IBM · IBM Engineering Systems Design Rhapsody - Model Managerversion=6.0.2; version=6.0.6; version=6.0.6.1; version=7.0; version=7.0.1
IBM · IBM Engineering Requirements Management DOORS Nextversion=6.0.2; version=6.0.6; version=6.0.6.1; version=7.0; version=7.0.1; version=7.0.2
IBM · IBM Engineering Lifecycle Optimization - Engineering Insightsversion=6.0.2; version=6.0.6; version=6.0.6.1; version=7.0; version=7.0.1
IBM · IBM Engineering Workflow Managementversion=6.0.2; version=6.0.6; version=6.0.6.1; version=7.0; version=7.0.1; version=7.0.2
IBM · Engineering Lifecycle Managementversion=6.0.2; version=6.0.6; version=6.0.6.1
IBM · Engineering Test Managementversion=6.0.2; version=6.0.6; version=6.0.6.1; version=7.0.0; version=7.0.1; version=7.0.2

Published CVSS scores

4.3IBMCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1566Phishing

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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