What is CVE-2021-44878?

CVE-2021-44878 is a high-severity vulnerability in Pac4j, classified under Improper Verification of Cryptographic Signature. CVSS score: 7.5/10. Published 2022-01-06.

How severe is CVE-2021-44878?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Pac4j

CVE-2021-44878

If an OpenID Connect provider supports the "none" algorithm (i.e., tokens with no signature), pac4j v5.3.0 (and prior) does not refuse it without an explicit configuration on its side or for the "idtoken" response type which is not secure…

EPSS: 0.009 (55.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Pac4j
N/a — versions n/a

Weakness classification (CWE)

CWE-347 — Improper Verification of Cryptographic Signature

References

cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Product, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (x_refsource_MISC, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2021-44878?: CVE-2021-44878 is a high-severity vulnerability in Pac4j, classified under Improper Verification of Cryptographic Signature. CVSS score: 7.5/10. Published 2022-01-06.
How severe is CVE-2021-44878?: High severity. CVSS v3 base score is 7.5 out of 10.