Path Traversal in Browserless Chrome
CVE-2020-7758
This affects versions of package browserless-chrome before 1.40.2-chrome-stable. User input flowing from the workspace endpoint gets used to create a file path filePath and this is fetched and then sent back to a user. This can be escaped to fetch arbitrary files from a server.
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.022 (80.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Browserless Chrome
- N/a Browserless-chrome — versions before 1.40.2-chrome-stable
Weakness classification (CWE)
Public proof-of-concept exploits
References
- report@snyk.io (Exploit, Third Party Advisory, x_refsource_MISC)
- report@snyk.io (x_refsource_MISC, Broken Link)
- report@snyk.io (Patch, Third Party Advisory, x_refsource_MISC)
- report@snyk.io (Third Party Advisory, x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2020-7758?
- CVE-2020-7758 is a high-severity vulnerability in Browserless Chrome, classified under Path Traversal. CVSS score: 7.5/10. Published 2020-11-02.
- How severe is CVE-2020-7758?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-7758 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.