Security readout for executives and security teams
Plain-English summary
This flaw lets a logged-in user make affected IBM Jazz Foundation or Engineering products send requests on their behalf. That can expose internal network details or help chain later attacks. The rating is medium because authentication is required and the stated impact is limited confidentiality and integrity loss.
Executive priority
Treat as a moderate-priority enterprise application risk. Remediate during normal vulnerability cycles, faster for internet-facing or widely accessible deployments because SSRF can support internal reconnaissance and attack chaining.
Technical view
CVE-2021-20348 is an SSRF issue in multiple IBM Rational and Engineering Lifecycle products. The CVSS 3.0 score is 5.4 with network attack vector, low complexity, low privileges required, no user interaction, and low confidentiality/integrity impact. Sources identify IBM X-Force ID 194597.
Likely exposure
Exposure is likely limited to organizations running listed IBM Jazz, Rational, or Engineering Lifecycle versions, especially where authenticated users can reach the application over a network.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation. The CVSS exploit maturity is unproven. The main abuse scenario is authenticated SSRF causing unauthorized server-originated requests, network enumeration, or follow-on attack support.
Researcher notes
Evidence is limited to IBM and CVE sources. Affected versions are explicitly listed, but this bundle does not provide fixed version numbers or detailed vulnerable endpoints. Avoid assuming exploitability beyond authenticated SSRF with low confidentiality and integrity impact.
Mitigation direction
- Review IBM advisory 6457739 for product-specific remediation guidance.
- Apply the IBM-provided fix or upgrade path for each affected product/version.
- Prioritize externally reachable or broadly accessible deployments first.
- Restrict unnecessary outbound connectivity from affected application servers.
- Review access for accounts able to authenticate to affected applications.
Validation and detection
- Inventory IBM Rational, Jazz, and Engineering Lifecycle deployments and versions.
- Compare installed versions against the affected version list.
- Confirm IBM advisory remediation is applied for each affected deployment.
- Review logs for unusual server-originated internal requests.
- Verify application servers cannot reach unnecessary internal services.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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.
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 lookupCVE-2021-20348 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.4 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/A:N/AC:L/UI:N/I:L/PR:L/AV:N/C:L/S:U/RC:C/E:U/RL:O
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.
CVSS vector scores
1 official scoreWe 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.
CVSS:3.0/A:N/AC:L/UI:N/I:L/PR:L/AV:N/C:L/S:U/RC:C/E:U/RL:O2.82.5Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
5.4MediumVector: CVSS:3.0/A:N/AC:L/UI:N/I:L/PR:L/AV:N/C:L/S:U/RC:C/E:U/RL:O
Source materials
- CVE List V5 sourceCVE List V5
- https://www.ibm.com/support/pages/node/6457739CVE reference · x_refsource_CONFIRM
- ibm-jazz-cve202120348-ssrf (194597)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.