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CVE Record

CVE-2021-20421: IBM Jazz Team Server 6.0.6, 6.0.6.1, 7.0, 7.0.1, and 7.0.2 is vulnerable to server-side request forgery (SS...

IBM Jazz Team Server 6.0.6, 6.0.6.1, 7.0, 7.0.1, and 7.0.2 is vulnerable to server-side request forgery (SSRF). This may allow an authenticated attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks.

MediumCVSS 5.4Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2021-20421 affects IBM Jazz Team Server versions 6.0.6, 6.0.6.1, 7.0, 7.0.1, and 7.0.2. An authenticated attacker could make the server send unauthorized requests, which may expose internal network information or support follow-on attacks.

Executive priority

Treat as a moderate-priority remediation item. It requires authenticated access, but SSRF can help attackers map internal networks or support chained attacks against sensitive services.

Technical view

This is a server-side request forgery issue in IBM Jazz Team Server. The CVSS vector indicates network access, low attack complexity, low privileges required, no user interaction, and low confidentiality and integrity impact. Availability impact is not reported.

Likely exposure

Exposure is limited to organizations running the named IBM Jazz Team Server versions. Risk is higher where authenticated access is broadly available or the server can reach sensitive internal systems.

Exploitation context

The provided sources do not show active exploitation, public exploit use, or KEV listing. The CVSS temporal vector marks exploit code maturity as unproven.

Researcher notes

Evidence is limited to CVE, IBM, and X-Force records. Do not assume unauthenticated impact, specific endpoints, or exploit availability from the supplied bundle. Validate exposure by version and deployment reachability.

Mitigation direction

  • Identify any Jazz Team Server instances running affected versions.
  • Review IBM advisory 6597507 for the official remediation path.
  • Apply only IBM-supported fixes or workarounds for this issue.
  • Restrict Jazz Team Server access to trusted authenticated users.
  • Review server egress paths to sensitive internal services.

Validation and detection

  • Confirm deployed Jazz Team Server version numbers against affected versions.
  • Check whether IBM guidance has been applied on each instance.
  • Review authentication scope for users who can access the server.
  • Inspect logs for unusual server-initiated requests to internal systems.
Prepared
Confidence
high
Sources
4

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

description · low confidence lookup

Cloud metadata behavior lookup

The CVE wording references SSRF or metadata access, so cloud discovery and credential material review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2021-20421 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Medium
CVSS
5.4 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/C:L/I:L/S:U/AC:L/A:N/PR:L/UI:N/AV:N/E:U/RL:O/RC:C

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
5.4CVSS 3.0MediumCVSS:3.0/C:L/I:L/S:U/AC:L/A:N/PR:L/UI:N/AV:N/E:U/RL:O/RC:C2.82.5Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

5.4Medium
CVSS 3.0 vector shape for CVE-2021-20421Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/C:L/I:L/S:U/AC:L/A:N/PR:L/UI:N/AV:N/E:U/RL:O/RC:C

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
IBMJazz Team Server6.0.6, 6.0.6.1, 7.0, 7.0.1, 7.0.2Listed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.