CVE-2020-27978
HIGH
7.5
CVSS Score
Published: October 28, 2020 at 02:43 PM UTC
Updated: June 17, 2026 at 03:09 AM UTC
1 product affected across 1 vendorIdentity Provider
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Severity
HIGH7.5
Exploit prediction
EPSS 2%
Description
Shibboleth Identify Provider 3.x before 3.4.6 has a denial of service flaw. A remote unauthenticated attacker can cause a login flow to trigger Java heap exhaustion due to the creation of objects in the Java Servlet container session.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
3.0.0 ≤ v < 3.4.6
Affected range stops below 3.4.6, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_MISCVendor Advisory
Source: [email protected]
https://shibboleth.net/community/advisories/secadv_20191002.txtCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-770
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