CVE-2022-51022: Path Traversal (CVSS 9.1)

Description

YiShaAdmin 2.2 through 3.1, fixed in commit 025b062, contains an unauthenticated path traversal vulnerability in the /admin/File/DownloadFile endpoint that allows attackers to read and delete arbitrary files via the filePath parameter. Attackers can send crafted GET requests with directory traversal sequences in filePath and set the delete parameter to read or remove system files like etc/passwd. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-20.

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CVSS v3.1 Score

9.1

CRITICAL

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

EPSS — Exploit Prediction

0.0079

Probability of exploitation

0.56%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-22 Path Traversal

References

Other References

https://github.com/liukuo362573/YiShaAdmin/commit/025b0628b1295bd2d9fd6c9b5b82692a345151ef https://github.com/liukuo362573/YiShaAdmin/commit/c3b66e66bf6d70a561190cd8da7f4df7b141931d https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/other/yishaadmin-lfi.yaml https://huntr.com/bounties/2acdd87a-12bd-4ce4-994b-0081eb908128 https://www.vulncheck.com/advisories/yishaadmin-3.1-unauthenticated-path-traversal-via-downloadfile-endpoint

Frequently Asked Questions

What is CVE-2022-51022? +

YiShaAdmin 2.2 through 3.1, fixed in commit 025b062, contains an unauthenticated path traversal vulnerability in the /admin/File/DownloadFile endpoint that allows attackers to read and delete arbitrary files via the filePath parameter. Attackers can send crafted GET requests with directory traversal sequences in filePath and set the delete parameter to read or remove system files like etc/passwd. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-20. It has a CVSS v3.1 base score of 9.1 (CRITICAL).

How severe is CVE-2022-51022? +

CVE-2022-51022 has a CVSS v3.1 score of 9.1 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.0079, placing it in the 1th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2022-51022? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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