Information disclosure in url-parse



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-27515
CWE-ID CWE-200
Exploitation vector Network
Public exploit N/A
Vulnerable software
 url-parse
Web applications / Other software

Vendor unshiftio

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Information disclosure

EUVDB-ID: #VU50868

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-27515

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to the mishandling of backslash such as http:/. A remote attacker can send a specially crafted HTTP request and gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

url-parse: 0.0.4 - 1.4.7

CPE2.3 External links

https://github.com/unshiftio/url-parse/commit/d1e7e8822f26e8a49794b757123b51386325b2b0
https://github.com/unshiftio/url-parse/compare/1.4.7...1.5.0
https://github.com/unshiftio/url-parse/pull/197


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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