How severe is CVE-2022-35153?

CVE-2022-35153 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-35153 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-35153?

CVE-2022-35153 affects Fusionpbx. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-35153?

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

When was CVE-2022-35153 published?

CVE-2022-35153 was published on 2022-08-18 and last updated on 2026-06-17.

CVE-2022-35153

CVE-2022-35153 is a critical-severity vulnerability in Fusionpbx with a CVSS 3.x base score of 9.8. 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-116.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-116
Affected product: Fusionpbx
Published: 2022-08-18
Last modified: 2026-06-17

Description

FusionPBX 5.0.1 was discovered to contain a command injection vulnerability via /fax/fax_send.php.

Frequently asked questions

What is CVE-2022-35153?: FusionPBX 5.0.1 was discovered to contain a command injection vulnerability via /fax/fax_send.php.
How severe is CVE-2022-35153?: CVE-2022-35153 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-35153 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-35153?: CVE-2022-35153 affects Fusionpbx. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-35153?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-35153 published?: CVE-2022-35153 was published on 2022-08-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:fusionpbx:fusionpbx:5.0.1:*:*:*:*:*:*:*

More vulnerabilities in Fusionpbx

CVE-2022-28055 — Critical (CVSS 9.8): Fusionpbx v4.4 and below contains a command injection vulnerability via the download email logs function.
CVE-2021-43406 — High (CVSS 8.8): An issue was discovered in FusionPBX before 4.5.30. The fax_post_size may have risky characters (it is not constrained…
CVE-2021-43405 — High (CVSS 8.8): An issue was discovered in FusionPBX before 4.5.30. The fax_extension may have risky characters (it is not constrained…
CVE-2021-43404 — High (CVSS 8.8): An issue was discovered in FusionPBX before 4.5.30. The FAX file name may have risky characters.
CVE-2019-16964 — High (CVSS 8.8): app/call_centers/cmd.php in the Call Center Queue Module in FusionPBX up to 4.5.7 suffers from a command injection…
CVE-2019-16980 — High (CVSS 8.8): In FusionPBX up to v4.5.7, the file app\call_broadcast\call_broadcast_edit.php uses an unsanitized "id" variable coming…

All CVEs affecting Fusionpbx →

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