Is CVE-2022-22753 in the CISA KEV catalog?

No. CVE-2022-22753 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-22753?

CVE-2022-22753 has a CVSS v3 base score of 7.1 (HIGH).

What is the EPSS score for CVE-2022-22753?

CVE-2022-22753 has an EPSS score of 0.63% (46th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-22753?

Upgrade DeveloperEdition to 97.0 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2022-22753

HIGH

7.1

CVSS v3

NVD

Description

A Time-of-Check Time-of-Use bug existed in the Maintenance (Updater) Service that could be abused to grant Users write access to an arbitrary directory. This could have been used to escalate to SYSTEM access. *This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.

CWE-367TOCTOU Race Condition

How to fix

Remediation Available

DeveloperEditionWindows application

Affected:97.0Fixed in:97.0Mozilla

Mozilla Firefox (en-US)Windows application

Affected:97.0Fixed in:97.0Mozilla

Mozilla Firefox ESR (en-US)Windows application

Affected:91.6Fixed in:91.6Mozilla

Mozilla Thunderbird (en-US)Windows application

Affected:91.6Fixed in:91.6Mozilla

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredLow

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.63%probability of exploitation in 30 days

46thpercentile

Moderate risk: more likely to be exploited than 46% of all known CVEs.

References

Exploit1

bugzilla.mozilla.org

Vendor Advisory3

Related Vulnerabilities

Other CWE-367 (TOCTOU Race Condition) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-36980	High	8.1	83%	-	Fix
CVE-2024-30088	High	7.0	68%	KEV + Ransom	Fix
CVE-2004-0594	Medium	5.1	55%	-	Fix
CVE-2024-50379	Critical	9.8	44%	-	Fix
CVE-2023-38146	High	8.8	39%	-	Fix
CVE-2024-0132	Critical	9.0	37%	-	Fix

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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 2025-04-16.