What’s Vulnerable › Vulnerabilities

CVE-2020-22570

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-08-22 · updated 2026-06-17
• Weakness: CWE-77

Description

Memcached 1.6.0 before 1.6.3 allows remote attackers to cause a denial of service (daemon crash) via a crafted meta command.

Affected products

• Memcached: from 1.6.0 before 1.6.3 — fixed in 1.6.3

How to fix

Upgrade to a fixed version: Memcached 1.6.3. Check the vendor advisory for mitigations.

References

• https://github.com/memcached/memcached/issues/636
• https://github.com/memcached/memcached/issues/636

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