CVE-2021-27515 Path traversal in url-parse
Attackers can bypass URL validation checks by using backslashes, potentially leading to open redirects or security bypasses in applications using this library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-27515?
CVE-2021-27515 is a medium-severity vulnerability in n/a, published on 21 Feb 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
url-parse before 1.5.0 mishandles certain uses of backslash such as http:\/ and interprets the URI as a relative path.
Which versions are affected by CVE-2021-27515?
2 open source packages ship an affected version, including url-parse. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
url-parse npm | From 0.1.0 | 1.5.0 |
url-parse npm | From 0.1.0 | 1.5.0 |
Products include Url-Parse Project Url-Parse.
How do I fix CVE-2021-27515?
Upgrade url-parse to 1.5.0 or later.
Is CVE-2021-27515 being exploited?
There is no known exploitation of CVE-2021-27515 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2018-3774 Open Redirect in url-parse
- CVE-2022-0512 Authorization Bypass Through User-Controlled Key in unshiftio/url-parse
- CVE-2022-0691 Authorization Bypass Through User-Controlled Key in unshiftio/url-parse
- CVE-2022-0686 Authorization Bypass Through User-Controlled Key in unshiftio/url-parse
- CVE-2022-0639 Authorization Bypass Through User-Controlled Key in unshiftio/url-parse
Sources
Also known as DEBIAN-CVE-2021-27515, GHSA-9m6j-fcg5-2442, UBUNTU-CVE-2021-27515.