Deserialization of Untrusted Data in Apache Dubbo - CVE-2021-25641
Published: June 6, 2021 / Updated: November 13, 2022
Vulnerability identifier: #VU53826
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-25641
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to insecure input validation when processing serialized data. A remote attacker can pass specially crafted data to the application and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Apache Dubbo
How to mitigate CVE-2021-25641
Install updates from vendor's website.
Apache Dubbo - addressed in versions 2.6.9, 2.7.8
Links to Public Exploits and PoC-codes
- Exploit #8600 - CVE-2021-25641 (A Exploit Tool For CVE-2021-25641.) (November 13, 2022)
- Exploit #5538 - CVE-2021-25641-Proof-of-Concept (Apache/Alibaba Dubbo <= 2.7.3 PoC Code for CVE-2021-25641 RCE via Deserialization of Untrusted Data; Affects Versions <= 2.7.6 With Different Gadgets) (June 6, 2021)