CVE-2021-28235

Aliases:GHSA-gmph-wf7j-9gcmBIT-etcd-2021-28235
Advisory lineage Upstream: 0 Downstream: 12
Modified
Published: 04 Apr 2023, 00:00
Last modified:09 Jul 2026, 00:12

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.8 CRITICAL
v3.1 (nvd)
EPSS Score
1.6% LOW
2% probability +1.14%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

04 Apr 2023, 00:00
Published
Vulnerability first disclosed
09 Jul 2026, 00:12
Last Modified
Vulnerability information updated

Description

Authentication vulnerability found in Etcd-io v.3.4.10 allows remote attackers to escalate privileges via the debug function.

CVSS Metrics

  • v3.1•CRITICAL•Score: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Trends

Current EPSS score: 1.60%• Percentile: 73%

Techniques & Countermeasures

  • CWE-287•Improper Authentication

    When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

Affected Systems

  • etcd•etcd

    3.4.10

References (6)