The vulnerability is that IDToken verifier does not verify if token is properly signed. Signature verification makes sure that the token's payload comes from valid provider, not from someone else. An attacker can provide a compromised token with custom payload. The token will pass the validation on the client side. We recommend upgrading to version 1.33.3 or above
Published 2022-05-03 16:15:19
Updated 2022-05-10 23:51:03
Source Google Inc.
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2021-22573

0.06%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 22 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-22573

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
3.5
LOW AV:N/AC:M/Au:S/C:N/I:P/A:N
6.8
2.9
NIST
8.7
HIGH CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
2.3
5.8
Google Inc.
7.3
HIGH CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
2.1
5.2
NIST

CWE ids for CVE-2021-22573

References for CVE-2021-22573

Products affected by CVE-2021-22573

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