How severe is CVE-2021-45885?

CVE-2021-45885 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 high, integrity none, and availability none.

Is CVE-2021-45885 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-45885?

CVE-2021-45885 affects Stormshield Network Security. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-45885?

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-2021-45885 published?

CVE-2021-45885 was published on 2021-12-29 and last updated on 2026-06-17.

CVE-2021-45885

CVE-2021-45885 is a high-severity vulnerability in Stormshield Network Security with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-613.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-613
Affected product: Stormshield Network Security
Published: 2021-12-29
Last modified: 2026-06-17

Description

An issue was discovered in Stormshield Network Security (SNS) 4.2.2 through 4.2.7 (fixed in 4.2.8). Under a specific update-migration scenario, the first SSH password change does not properly clear the old password.

Frequently asked questions

What is CVE-2021-45885?: An issue was discovered in Stormshield Network Security (SNS) 4.2.2 through 4.2.7 (fixed in 4.2.8). Under a specific update-migration scenario, the first SSH password change does not properly clear the old password.
How severe is CVE-2021-45885?: CVE-2021-45885 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 high, integrity none, and availability none.
Is CVE-2021-45885 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-45885?: CVE-2021-45885 affects Stormshield Network Security. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-45885?: 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-2021-45885 published?: CVE-2021-45885 was published on 2021-12-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:stormshield:network_security:*:*:*:*:*:*:*:*

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