How severe is CVE-2020-10931?

CVE-2020-10931 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-10931 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 28% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-10931?

CVE-2020-10931 affects Memcached. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-10931?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-10931 published?

CVE-2020-10931 was published on 2020-03-24 and last updated on 2026-06-17.

CVE-2020-10931

CVE-2020-10931 is a high-severity vulnerability in Memcached with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 28% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-120.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 28% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Memcached
Published: 2020-03-24
Last modified: 2026-06-17

Description

Memcached 1.6.x before 1.6.2 allows remote attackers to cause a denial of service (daemon crash) via a crafted binary protocol header to try_read_command_binary in memcached.c.

Frequently asked questions

What is CVE-2020-10931?: Memcached 1.6.x before 1.6.2 allows remote attackers to cause a denial of service (daemon crash) via a crafted binary protocol header to try_read_command_binary in memcached.c.
How severe is CVE-2020-10931?: CVE-2020-10931 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-10931 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 28% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-10931?: CVE-2020-10931 affects Memcached. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-10931?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-10931 published?: CVE-2020-10931 was published on 2020-03-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:memcached:memcached:*:*:*:*:*:*:*:*

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