CVE-2020-1948 in the critical feed json
Deserialization of Untrusted Data in Apache Dubbo
published 2020-07-14 6 y ago modified 2026-06-17 4 mo ago also GHSA-whww-v56c-cgv2 , EUVD-2022-1230
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 16.4%
- EPSS 16.4% chance of exploitation in 30 days, percentile 97%
- public exploits
- 0
- none known
Summary
This vulnerability can affect all Dubbo users stay on version 2.7.6 or lower. An attacker can send RPC requests with unrecognized service name or method name along with some malicious parameter payloads. When the malicious parameter is deserialized, it will execute some malicious code. More details can be found below.
Patch / fix
- maven org.apache.dubbo:dubbo 2.7.7
- maven org.apache.dubbo:dubbo-common 2.7.7
Exploit prediction
16.44% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| GitHub | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | org.apache.dubbo:dubbo | <2.7.7 |
2.7.7 |
| maven | org.apache.dubbo:dubbo-common | <2.7.7 |
2.7.7 |
Affected products
- n/a Apache Dubbo
Classification
- Weakness
-
- CWE-502 Deserialization of Untrusted Data
References
-
lists.apache.org
/thread.html/rbaa41711b3e7a8cd20e9013737423ddd079ddc12f90180f86e76523c%40%3Csecurity.dubbo.apache.org%3E
web, broken-link
-
nvd.nist.gov
/vuln/detail/CVE-2020-1948
advisory
-
nsfocusglobal.com
/apache-dubbo-remote-code-execution-vulnerability-cve-2020-1948-threat-alert
web
-
nsfocusglobal.com
/apache-dubbo-remote-code-execution-vulnerability-cve-2020-1948-threat-alert/
third-party-advisory
Sources
- CVE List CVE-2020-1948
- GitHub Advisory GHSA-whww-v56c-cgv2
- NVD CVE-2020-1948
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