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CVE-2023-27534

UNKNOWN
Published 2023-03-30T00:00:00.000Z
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CVSS Score

V3.1
8.8
/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.001
probability
of exploitation in the wild

There is a 0.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.271
Higher than 27.1% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Description

A path traversal vulnerability exists in curl <8.0.0 SFTP implementation causes the tilde (~) character to be wrongly replaced when used as a prefix in the first path element, in addition to its intended use as the first element to indicate a path relative to the user's home directory. Attackers can exploit this flaw to bypass filtering or execute arbitrary code by crafting a path like /~2/foo while accessing a server with a specific user.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-4j25-c9rf-fp5f

Advisory Details

A path traversal vulnerability exists in curl <8.0.0 SFTP implementation causes the tilde (~) character to be wrongly replaced when used as a prefix in the first path element, in addition to its intended use as the first element to indicate a path relative to the user's home directory. Attackers can exploit this flaw to bypass filtering or execute arbitrary code by crafting a path like /~2/foo while accessing a server with a specific user.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-27534
WEB https://hackerone.com/reports/1892351
WEB https://lists.debian.org/debian-lts-announce/2024/03/msg00016.html
WEB https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/36NBD5YLJXXEDZLDGNFCERWRYJQ6LAQW
WEB https://lists.fedoraproject.org/archives/list/[email protected]/message/36NBD5YLJXXEDZLDGNFCERWRYJQ6LAQW
WEB https://security.gentoo.org/glsa/202310-12
WEB https://security.netapp.com/advisory/ntap-20230420-0012

Advisory provided by GitHub Security Advisory Database. Published: March 30, 2023, Modified: March 17, 2024

References

https://hackerone.com/reports/1892351
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/36NBD5YLJXXEDZLDGNFCERWRYJQ6LAQW/
https://security.netapp.com/advisory/ntap-20230420-0012/
https://security.gentoo.org/glsa/202310-12
https://lists.debian.org/debian-lts-announce/2024/03/msg00016.html
Published: 2023-03-30T00:00:00.000Z
Last Modified: 2025-04-23T16:23:04.273Z
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