CVE-2021-20480
Published: 08 April 2021
Summary
CVE-2021-20480 is a medium-severity SSRF (CWE-918) vulnerability in Ibm Websphere Application Server. Its CVSS base score is 6.5 (Medium).
Operationally, ranked in the top 40.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-7898
Vulnerability details
IBM WebSphere Application Server 7.0, 8.0, and 8.5 is vulnerable to server-side request forgery (SSRF). By sending a specially crafted request, a remote authenticated attacker could exploit this vulnerability to obtain sensitive data. IBM X-Force ID: 197502.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing attempts server-side requests to internal resources, identifying SSRF weaknesses for remediation.
Outbound connections to external resources can be monitored and limited at the boundary, reducing SSRF impact.
Validates server-side URLs and resource references to block SSRF attempts.
Detects server-side request forgery through monitoring of unexpected outbound connections.