Path Traversal

published 2022-01-13 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-10482

cvss: 6.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.6%; EPSS 1.6% chance of exploitation in 30 days, percentile 76%
public exploits: 0; none known

This affects the package Crow before 0.3+4. It is possible to traverse directories to fetch arbitrary files from the server.

Patch / fix

fixed in 1 links 2

n/a Crow 0.3+4

github.com/CrowCpp/Crow#317 pull request
github.com/CrowCpp/Crow/releases/tag/v0.3%2B4 release

Exploit prediction

1.64% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

snyk.io https://snyk.io/vuln/SNYK-UNMANAGED-CROW-2336163 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:P/RL:U/RC:C
CNA	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

n/a Crow

Classification

Weakness

CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

github.com /CrowCpp/Crow/pull/317
issue-tracking, patch, third-party-advisory
snyk.io /vuln/SNYK-UNMANAGED-CROW-2336163
exploit, third-party-advisory
github.com /CrowCpp/Crow/releases/tag/v0.3%2B4
release-notes, third-party-advisory

Sources

CVE List CVE-2021-23514
NVD CVE-2021-23514

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary