4.3

CVE-2021-22143: elastic apm_.net_agent

CVSS: 4.3v3.1MediumModified
AliasesGHSA-hx93-gc73-5rpr
Published 22-11-2023Last modified 11-10-2024
Open JSON

Vulnerability summary

CVE-2021-22143 is a medium (CVSS 4.3) vulnerability in elastic apm_.net_agent. EPSS estimates a 0.66% chance of exploitation in the next 30 days, higher than 50.7% of scored vulnerabilities.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v3.1 (NVD)
EPSS score
0.66%
0%100%
Low · +0.05 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 22-11-2023
    PublishedVulnerability first disclosed.
  2. 11-10-2024
    Last modifiedVulnerability information updated.

Description

The Elastic APM .NET Agent can leak sensitive HTTP header information when logging the details during an application error. Normally, the APM agent will sanitize sensitive HTTP header details before sending the information to the APM server. During an application error it is possible the headers will not be sanitized before being sent.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.66%

Chance of exploitation in the next 30 days

Percentile

51%

Versus all other CVEs

30-day change

+0.05 pp

From 0.61% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.66%

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

Elastic2 products
NuGet1 product
  • Elastic.Apm< 1.10.0

2 vendors · 3 products

References

6 links