CVE-2021-21055 Adobe Dreamweaver Untrusted Search Path Vulnerability Could Lead To Information Disclosure
An attacker with physical access can replace configuration files or libraries to disclose sensitive information from Adobe Dreamweaver.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-21055?
CVE-2021-21055 is a medium-severity path traversal vulnerability in Adobe Dreamweaver, published on 11 Feb 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Adobe Dreamweaver versions 21.0 (and earlier) and 20.2 (and earlier) is affected by an untrusted search path vulnerability that could result in information disclosure. An attacker with physical access to the system could replace certain configuration files and dynamic libraries that Dreamweaver references, potentially resulting in information disclosure.
Weakness: CWE-426
Which versions are affected by CVE-2021-21055?
It affects 1 product.
Products include Adobe Dreamweaver.
How do I fix CVE-2021-21055?
No fix has been published for CVE-2021-21055 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2021-21055 being exploited?
There is no known exploitation of CVE-2021-21055 in the wild and no public exploit code.
Other vulnerabilities in Adobe Dreamweaver
- CVE-2018-4924 Command injection in Adobe Dreamweaver CC 18.0 and earlier versions
- CVE-2010-3132 Path traversal in n/a
- CVE-2026-47906 Dreamweaver Desktop | Dependency on Vulnerable Third-Party Component (CWE-1395)
- CVE-2026-47907 Dreamweaver Desktop | Improper Access Control (CWE-284)
- CVE-2026-21267 Command injection in Adobe Dreamweaver Desktop
Sources
Also known as GHSA-x4c3-xfxx-vh9f.