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Fencer Intel
critical 9.8

CVE-2020-1948 in the critical feed json

Deserialization of Untrusted Data in Apache Dubbo

published 6y ago modified 4mo 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

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Exploit prediction

16.44% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-09).

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

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.