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CVE-2022-40082

25
FAUCET Score

CVE-2022-40082 is a path traversal vulnerability found in Hertz v0.3.0, specifically within the normalizePath function, affecting cloudwego hertz and microsoft hertz. This high-severity vulnerability (CVSS 7.5) allows unauthenticated attackers to achieve high confidentiality impact over the network with low attack complexity. While the vulnerability has a high CVSS score, there is currently no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
0.3.0CPE matchmatch criteria
cpe:2.3:a:cloudwego:hertz:0.3.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.88%
Probability of exploitation in next 30 days
EPSS Percentile
55.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0088 is in the 30th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
gopatch availablevia ghsa
Product: github.com/cloudwego/hertzFixed in: 0.3.1

Vendor Advisories (1)

goGHSA-c9qr-f6c8-rgxfhigh

Hertz contains path traversal via normalizePath function

Sep 29, 2022

References

github.com / cloudwego/hertz/issues/228
ExploitIssue TrackingThird Party Advisory
github.com / cloudwego/hertz/pull/229
PatchThird Party Advisory