How severe is CVE-2021-31223?

CVE-2021-31223 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-31223 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-31223?

CVE-2021-31223 affects Stormshield Endpoint Security. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-31223?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-31223 published?

CVE-2021-31223 was published on 2021-07-13 and last updated on 2026-06-17.

CVE-2021-31223

CVE-2021-31223 is a medium-severity vulnerability in Stormshield Endpoint Security with a CVSS 3.x base score of 5.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.7)
CVSS v2: 2.9
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Stormshield Endpoint Security
Published: 2021-07-13
Last modified: 2026-06-17

Description

SES Evolution before 2.1.0 allows reading some parts of a security policy by leveraging access to a computer having the administration console installed.

Frequently asked questions

What is CVE-2021-31223?: SES Evolution before 2.1.0 allows reading some parts of a security policy by leveraging access to a computer having the administration console installed.
How severe is CVE-2021-31223?: CVE-2021-31223 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-31223 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-31223?: CVE-2021-31223 affects Stormshield Endpoint Security. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-31223?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-31223 published?: CVE-2021-31223 was published on 2021-07-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:stormshield:endpoint_security:*:*:*:*:*:*:*:*

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CVE-2021-31221 — Medium (CVSS 5.7): SES Evolution before 2.1.0 allows deleting some parts of a security policy by leveraging access to a computer having…

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