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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.022 (81.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 81.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000
Affected products
- Browserless Chrome
- Browserless-Chrome — versions before 1.40.2-chrome-stable
Weakness classification (CWE)
Public proof-of-concept exploits
References
- snyk.io/vuln/SNYK-JS-BROWSERLESSCHROME-1023657 (Exploit, Third Party Advisory)
- github.com/browserless/chrome/blob/master/src/routes.ts#L175 (Broken Link)
- github.com/browserless/chrome/commit/848b87e5bea4f8473eea85261a5ff922d6ebd2b6 (Patch, Third Party Advisory)
- github.com/browserless/chrome/releases/tag/1.40.2-chrome-stable (Third Party Advisory, 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.