How severe is CVE-2022-25356?

CVE-2022-25356 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2022-25356 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-25356?

CVE-2022-25356 affects Altn Securitygateway. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-25356?

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

When was CVE-2022-25356 published?

CVE-2022-25356 was published on 2022-04-05 and last updated on 2026-06-17.

CVE-2022-25356

CVE-2022-25356 is a medium-severity vulnerability in Altn Securitygateway with a CVSS 3.x base score of 5.3. 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-91.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-91
Affected product: Altn Securitygateway
Published: 2022-04-05
Last modified: 2026-06-17

Description

Alt-N MDaemon Security Gateway through 8.5.0 allows SecurityGateway.dll?view=login XML Injection.

Frequently asked questions

What is CVE-2022-25356?: Alt-N MDaemon Security Gateway through 8.5.0 allows SecurityGateway.dll?view=login XML Injection.
How severe is CVE-2022-25356?: CVE-2022-25356 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2022-25356 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-25356?: CVE-2022-25356 affects Altn Securitygateway. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-25356?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-25356 published?: CVE-2022-25356 was published on 2022-04-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:altn:securitygateway:*:*:*:*:*:*:*:*

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