How severe is CVE-2022-40082?

CVE-2022-40082 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2022-40082 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-40082?

CVE-2022-40082 affects Cloudwego Hertz. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-40082?

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

When was CVE-2022-40082 published?

CVE-2022-40082 was published on 2022-09-28 and last updated on 2026-06-17.

CVE-2022-40082

CVE-2022-40082 is a high-severity vulnerability in Cloudwego Hertz with a CVSS 3.x base score of 7.5. 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: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Cloudwego Hertz
Published: 2022-09-28
Last modified: 2026-06-17

Description

Hertz v0.3.0 ws discovered to contain a path traversal vulnerability via the normalizePath function.

Frequently asked questions

What is CVE-2022-40082?: Hertz v0.3.0 ws discovered to contain a path traversal vulnerability via the normalizePath function.
How severe is CVE-2022-40082?: CVE-2022-40082 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2022-40082 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-40082?: CVE-2022-40082 affects Cloudwego Hertz. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-40082?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-40082 published?: CVE-2022-40082 was published on 2022-09-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cloudwego:hertz:0.3.0:*:*:*:*:*:*:*

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