7.5

CVE-2021-36153: linuxfoundation grpc_swift

CVSS: 7.5v3.1HighModified
Published 09-07-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2021-36153 is a high (CVSS 7.5) vulnerability in linuxfoundation grpc_swift. EPSS estimates a 2.08% chance of exploitation in the next 30 days, higher than 81.2% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
2.08%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 09-07-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

2.08%

Chance of exploitation in the next 30 days

Percentile

81%

Versus all other CVEs

30-day change

0.00 pp

From 2.08% on 18-09-2026

18-09-202618-10-2026
EPSS score
2.08%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Linuxfoundation1 product

1 vendor · 1 product

References

3 links