7.5

CVE-2020-8661: envoyproxy envoy Uncontrolled Resource Consumption

CVSS: 7.5v3.1HighModified
Published 04-03-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-8661 is a high (CVSS 7.5) Uncontrolled Resource Consumption vulnerability in envoyproxy envoy. EPSS estimates a 1.87% chance of exploitation in the next 30 days, higher than 79% 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
1.87%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1
RHSA-2020:0734

Timeline

  1. 04-03-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

CNCF Envoy through 1.13.0 may consume excessive amounts of memory when responding internally to pipelined requests.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.87%

Chance of exploitation in the next 30 days

Percentile

79%

Versus all other CVEs

30-day change

0.00 pp

From 1.87% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.87%

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

Affected systems

Envoyproxy1 product
Redhat1 product

2 vendors · 2 products

References

3 links