Deserialization in Apache Dubbo
CVE-2021-43297
A deserialization vulnerability existed in dubbo hessian-lite 3.2.11 and its earlier versions, which could lead to malicious code execution. Most Dubbo users use Hessian2 as the default serialization/deserialization protocol, during Hessia…
Vulnerability class: Insecure Deserialization
EPSS: 0.153 (96.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Apache Dubbo
- Apache Software Foundation Dubbo — versions Apache Dubbo 2.6.x, Apache Dubbo 2.7.x, Apache Dubbo 3.0.x
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@apache.org (Mailing List, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-43297?
- CVE-2021-43297 is a critical-severity vulnerability in Apache Dubbo, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2022-01-10.
- How severe is CVE-2021-43297?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-43297 known to be exploited?
- 22 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.