CVE-2021-31826

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.

CVSS v3.1

7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0

5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS

2.00% chance of exploitation in the next 30 days, 79th percentile

Published

2021-04-27

Updated

2024-08-03

Proof-of-concept exploits (1)

• https://issues.shibboleth.net/jira/browse/SSPCPP-927

References

• CVE Record
• NVD entry

Related

• CVE-2021-31815
• CVE-2021-31856
• CVE-2021-31813
• CVE-2021-3186
• CVE-2021-31805
• CVE-2021-31862