CVE-2021-36153

Description

Mismanaged state in GRPCWebToHTTP2ServerCodec.swift in gRPC Swift 1.1.0 and 1.1.1 allows remote attackers to deny service by sending malformed requests.

7.5

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.95% Top 25%

Third-Party Advisory chromium.org Third-Party Advisory github.com Third-Party Advisory github.com

Affected: n/a n/a

References

Link	Tags
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35267	third party advisory mailing list
https://github.com/grpc/grpc-swift/releases	third party advisory release notes
https://github.com/grpc/grpc-swift/security/advisories/GHSA-2jx2-qcm4-rf9h	third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-36153?: CVE-2021-36153 has been scored as a high severity vulnerability.
How to fix CVE-2021-36153?: To fix CVE-2021-36153, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-36153 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-36153 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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