CVE-2020-26282
Server-Side Template Injection
Impact
### Impact 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 assigned CVE-2020-26282. ### Patches Effective Immediately, all users should upgrade to version 2.1.2 or higher. ### Workarounds None. ### References https://securitylab.github.com/research/bean-validation-RCE ### For more information If you have any questions or comments about this advisory: * Open an issue in [the BrowserUp Proxy repo](http://github.com/browserup/browserup-proxy) * Contact us via the [BrowserUp website](https://browserup.com) or email us at [support@browserup.com](mailto:support@browserup.com)
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| maven | com.browserup:browserup-proxy | < 2.1.2 | 2.1.2 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Browserup | Browserup Proxy | before 2.1.2 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/browserup/browserup-proxy/commit/4b38e7a3e20917e5c3329d0d4e9590bed9d578ab
- https://github.com/browserup/browserup-proxy/releases/tag/v2.1.2
- https://github.com/browserup/browserup-proxy/security/advisories/GHSA-wmfg-55f9-j8hq
- https://securitylab.github.com/research/bean-validation-RCE
- https://github.com/advisories/GHSA-wmfg-55f9-j8hq
- https://nvd.nist.gov/vuln/detail/CVE-2020-26282