How severe is CVE-2022-45299?

CVE-2022-45299 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-2022-45299 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-45299?

CVE-2022-45299 affects Webbrowser Project Webbrowser. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-45299?

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-2022-45299 published?

CVE-2022-45299 was published on 2023-01-13 and last updated on 2026-06-17.

CVE-2022-45299

CVE-2022-45299 is a critical-severity vulnerability in Webbrowser Project Webbrowser 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-22.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Webbrowser Project Webbrowser
Published: 2023-01-13
Last modified: 2026-06-17

Description

An issue in the IpFile argument of rust-lang webbrowser-rs v0.8.2 allows attackers to access arbitrary files via supplying a crafted URL.

Frequently asked questions

What is CVE-2022-45299?: An issue in the IpFile argument of rust-lang webbrowser-rs v0.8.2 allows attackers to access arbitrary files via supplying a crafted URL.
How severe is CVE-2022-45299?: CVE-2022-45299 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-2022-45299 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-45299?: CVE-2022-45299 affects Webbrowser Project Webbrowser. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-45299?: 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-2022-45299 published?: CVE-2022-45299 was published on 2023-01-13 and last updated on 2026-06-17.

References

https://github.com/offalltn/CVE-2022-45299

Affected products (1)

cpe:2.3:a:webbrowser_project:webbrowser:*:*:*:*:*:rust:*:*

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