// For flags

CVE-2021-31826

 

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Shibboleth Service Provider 3.x before 3.2.2 is prone to a NULL pointer dereference flaw involving the session recovery feature. The flaw is exploitable (for a daemon crash) on systems not using this feature if a crafted cookie is supplied.

Shibboleth Service Provider versiones 3.x anteriores a 3.2.2, es propenso a un fallo de desreferencia del puntero NULL que involucra la funcionalidad session recovery. El fallo es explotable (para un bloqueo del demonio) en sistemas que no usan esta funcionalidad si es suministrada una cookie diseñada

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-04-27 CVE Reserved
  • 2021-04-27 CVE Published
  • 2024-01-10 EPSS Updated
  • 2024-08-03 CVE Updated
  • 2024-08-03 First Exploit
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-476: NULL Pointer Dereference
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Shibboleth
Search vendor "Shibboleth"
 Service Provider
Search vendor "Shibboleth" for product "Service Provider"
 >= 3.0.0 < 3.2.2
Search vendor "Shibboleth" for product "Service Provider" and version " >= 3.0.0 < 3.2.2"
-
Affected