8.3

CVE-2020-25017: envoyproxy envoy

CVSS: 8.3v3.1HighModified
AliasesRHSA-2020:4129
Published 01-10-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-25017 is a high (CVSS 8.3) vulnerability in envoyproxy envoy. EPSS estimates a 1.32% chance of exploitation in the next 30 days, higher than 70.3% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
43/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.3/10
010
High · v3.1 (NVD)
EPSS score
1.32%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 01-10-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Envoy through 1.15.0 only considers the first value when multiple header values are present for some HTTP headers. Envoy’s setCopy() header map API does not replace all existing occurences of a non-inline header.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.32%

Chance of exploitation in the next 30 days

Percentile

70%

Versus all other CVEs

30-day change

0.00 pp

From 1.32% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.32%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Envoy

    Maturity: poc

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Envoyproxy1 product
  • envoy< 1.12.7 | ≥ 1.13.0, < 1.13.4 | ≥ 1.14.0, < 1.14.4 | ≥ 1.15.0, < 1.15.1
Redhat1 product
  • servicemesh-proxy< 0:1.1.9-1.el8

2 vendors · 2 products

References

10 links