What’s Vulnerable › Vulnerabilities

CVE-2021-28235

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-04-04 · updated 2026-07-09
• Weakness: CWE-287

Description

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

Affected products

• etcd-io etcd: 3.4.10

References

• https://github.com/etcd-io/etcd
• https://github.com/etcd-io/etcd/pull/15648
• https://github.com/lucyxss/etcd-3.4.10-test/blob/master/temp4cj.png
• https://github.com/lucyxss/etcd-3.4.10-test/blob/master/temp4cj_2.png
• https://github.com/etcd-io/etcd
• https://github.com/etcd-io/etcd/pull/15648
• https://github.com/lucyxss/etcd-3.4.10-test/blob/master/temp4cj.png
• https://github.com/lucyxss/etcd-3.4.10-test/blob/master/temp4cj_2.png

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