CVE-2021-20346Network attack vector

Network enumeration via authenticated server-side requests

Published Jun 2, 2021 · Updated Sep 16, 2024

Server-side request forgery in IBM Jazz Foundation used by IBM Engineering products allows remote authenticated users to issue server-side requests. IBM has not published the affected endpoint or the operation that accepts and issues an attacker-controlled URL. A valid application account is required; successful requests can enumerate reachable networks and access or modify data exposed by internal services.

CVSS severity5.4
Medium
EPSS probability0.50%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Server-side request forgery in IBM Jazz Foundation used by IBM Engineering products allows remote authenticated users to issue server-side requests. IBM has not published the affected endpoint or the operation that accepts and issues an attacker-controlled URL. A valid application account is required; successful requests can enumerate reachable networks and access or modify data exposed by internal services.

The record

CVE
CVE-2021-20346
Published
Jun 2, 2021
Updated
Sep 16, 2024
Vendor
IBM
Product
IBM Engineering Systems Design Rhapsody - Model Manager
Classifications
CWE-918, T1046
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 2, 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=6.0.6
  2. Affected versionversion=6.0.6.1
  3. Affected versionversion=7.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

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

Published CVSS scores

5.4NIST National Vulnerability DatabaseCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
5.4IBM CorporationCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
5.5NIST National Vulnerability DatabaseAV:N/AC:L/Au:S/C:P/I:P/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

CWE-918Server-Side Request Forgery (SSRF)
T1046Network Service Discovery

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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