What is CVE-2021-36155?

CVE-2021-36155 is a high-severity vulnerability in Linuxfoundation Grpc Swift, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2021-07-09.

How severe is CVE-2021-36155?

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

Resource exhaustion in Linuxfoundation Grpc Swift

CVE-2021-36155

LengthPrefixedMessageReader in gRPC Swift 1.1.0 and earlier allocates buffers of arbitrary length, which allows remote attackers to cause uncontrolled resource consumption and deny service.

EPSS: 0.021 (79.6th 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:N/A:H.

Affected products

Linuxfoundation Grpc_swift — versions 1.0.0, 1.1.0, 1.1.1
N/a — versions n/a

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC, Release Notes)
cve@mitre.org (Mailing List, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-36155?: CVE-2021-36155 is a high-severity vulnerability in Linuxfoundation Grpc Swift, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2021-07-09.
How severe is CVE-2021-36155?: High severity. CVSS v3 base score is 7.5 out of 10.