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CVE-2021-37579

34
FAUCET Score

CVE-2021-37579 is a critical deserialization vulnerability in Apache Dubbo versions prior to 2.7.13 and 3.0.2. An attacker can bypass security checks to trigger native Java deserialization, leading to remote code execution. With a CVSS score of 9.8, it is easily exploitable over the network with no authentication or user interaction required, resulting in complete compromise of confidentiality, integrity, and availability. While not listed in CISA KEV, it has a high FAUCET Risk Score of 94/100 and significant community discussion, indicating potential for future exploitation despite no public exploit code or active exploitation reported.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.7.0, < 2.7.13CPE matchmatch criteria
cpe:2.3:a:apache:dubbo:*:*:*:*:*:*:*:*
>= 3.0.0, < 3.0.2CPE matchmatch criteria
cpe:2.3:a:apache:dubbo:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
6.74%
Probability of exploitation in next 30 days
EPSS Percentile
93.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0674 is in the 88th percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

mavenpatch availablevia ghsa
Product: org.apache.dubbo:dubboFixed in: 2.7.13
mavenpatch availablevia ghsa
Product: org.apache.dubbo:dubboFixed in: 3.0.2

Vendor Advisories (1)

mavenGHSA-q897-9jxf-jg9rcritical

Security check skip in Apache Dubbo

Sep 10, 2021

References

lists.apache.org / thread.html/r898afa109cdbb4b79724308648ff0718152ebe1d3d6dfc7202d958bc%40%3Cdev.dubbo.apache.org%3E
Mailing ListVendor Advisory