CVE-2021-37579
Security check skip in Apache Dubbo
9.8
CRITICAL
CVSS 3.1
EPSS 2.9%
Description
The Dubbo Provider will check the incoming request and the corresponding serialization type of this request meet the configuration set by the server. But there's an exception that the attacker can use to skip the security check (when enabled) and reaching a deserialization operation with native java serialization. Apache Dubbo 2.7.13, 3.0.2 fixed this issue by quickly fail when any unrecognized request was found.
How to fix CVE-2021-37579
To remediate CVE-2021-37579, upgrade the affected package to a fixed version below.
- —upgrade to 2.7.13 or later
Is CVE-2021-37579 being exploited?
Low — EPSS is 2.9%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.7.13
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |