Is CVE-2022-3236 in the CISA KEV catalog?

Yes. CVE-2022-3236 is on the CISA Known Exploited Vulnerabilities list, added 2022-09-23.

What is the CVSS severity of CVE-2022-3236?

CVE-2022-3236 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2022-3236?

CVE-2022-3236 has an EPSS score of 98.91% (100th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2022-3236?

No published fix for CVE-2022-3236 has been found yet. It is on the CISA Known Exploited Vulnerabilities list; federal agencies must remediate by 2022-10-14. Apply the vendor's mitigations per CISA's guidance.

CVE & CISA-KEV Catalog

CVE-2022-3236

CRITICALCISA KEVEPSS 100th pctl

9.8

CVSS v3

NVD

Description

A code injection vulnerability in the User Portal and Webadmin allows a remote attacker to execute code in Sophos Firewall version v19.0 MR1 and older.

CWE-94Code Injection

How to fix

Actively exploited, no published fix found yet

CISA required action: Apply updates per vendor instructions.

Federal remediation due: 2022-10-14

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

98.91%probability of exploitation in 30 days

100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Sophos Firewall Code Injection Vulnerability

A code injection vulnerability in the User Portal and Webadmin of Sophos Firewall allows for remote code execution.

Apply updates per vendor instructions.

Remediation due: 2022-10-14

References

Vendor Advisory1

sophos.com

Government Resource1

cisa.gov

Related Vulnerabilities

Other CWE-94 (Code Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-9841	Critical	9.8	100%	KEV	Fix
CVE-2015-1635	Critical	9.8	100%	KEV	-
CVE-2022-22954	Critical	9.8	100%	KEV + Ransom	-
CVE-2025-3248	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2021-22204	Medium	6.8	100%	KEV	Fix
CVE-2012-0158	High	8.8	100%	KEV	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-27.