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CVE-2021-37579

CRITICALCVSS 9.8/10EPSS 6.53%

Last modified

CVE-2021-37579 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 6.53% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
6.53%

92.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
ApacheDubbo>= 2.7.0, < 2.7.13
ApacheDubbo>= 3.0.0, < 3.0.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-37579?
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 severe is CVE-2021-37579?
CVE-2021-37579 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 6.53% probability of exploitation in the next 30 days.
How do I fix CVE-2021-37579?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-37579?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST