Vulnerability in Browserup Browserup-Proxy
CVE-2020-26282
BrowserUp Proxy allows you to manipulate HTTP requests and responses, capture HTTP content, and export performance data as a HAR file. BrowserUp Proxy works well as a standalone proxy server, but it is especially useful when embedded in Selenium tests. A Server-Side Template Injection was identified in BrowserUp Proxy enabling attackers to inject arbitrary Java EL expressions, leading to unauthenticated Remote Code Execution (RCE) vulnerability. This has been patched in version 2.1.2.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.048 (91.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.046 · newest: 0.048 · change: +0.002
Affected products
- Browserup Browserup-Proxy — versions < 2.1.2
- Browserup Proxy
Weakness classification (CWE)
References
- github.com/browserup/browserup-proxy/security/advisories/GHSA-wmfg-55f9-j8hq (Third Party Advisory)
- securitylab.github.com/research/bean-validation-RCE (Exploit, Third Party Advisory)
- github.com/browserup/browserup-proxy/releases/tag/v2.1.2 (Third Party Advisory)
- github.com/browserup/browserup-proxy/commit/4b38e7a3e20917e5c3329d0d4e9590bed9d… (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-26282?
- CVE-2020-26282 is a critical-severity vulnerability in Browserup Browserup-Proxy, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 10.0/10. Published 2020-12-24.
- How severe is CVE-2020-26282?
- Critical severity. CVSS v3 base score is 10.0 out of 10.