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Fencer Intel
high 7.5

CVE-2019-16328 in the critical feed json

Duplicate Advisory: Possible remote code execution via a remote procedure call

published 7y ago modified 4mo ago also GHSA-9ggp-4jpr-7ppj , GHSA-pj4g-4488-wmxm , PYSEC-2019-118 , EUVD-2019-0126

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
13.0%
EPSS 13.0% chance of exploitation in 30 days, percentile 96%
public exploits
1
Metasploit

Summary

In RPyC 4.1.x through 4.1.1, a remote attacker can dynamically modify object attributes to construct a remote procedure call that executes code for an RPyC service with default configuration settings.

Patch / fix

  • pypi rpyc 4.1.1, 4.1.2
  • python-rpyc openSUSE Tumbleweed 6.0.2-1.5
  • python-rpyc openSUSE Tumbleweed 6.0.0-1.2
  • python-rpyc Package Hub 15 SP1 4.1.5-bp151.2.3.1
  • python-rpyc-test Package Hub 15 SP1 4.1.5-bp151.2.3.1
  • python-rpyc openSUSE Leap 15.1 4.1.5-lp151.3.3.1
  • python-rpyc-test openSUSE Leap 15.1 4.1.5-lp151.3.3.1

opensuse advisories openSUSE-SU-2026:12040-1openSUSE-SU-2024:14162-1openSUSE-SU-2020:0763-1openSUSE-SU-2020:0685-1

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-16328 updated cvss 7.5

python-rpyc: missing protocol security check leads remote procedure call that executes code for a RPyC service

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. Published
  2. First public exploit (Metasploit auxiliary/scanner/http/rpyc_rce)

Exploit prediction

13.05% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:P/A:N
GitHub 3.1 8.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N

Affected packages

ecosystem package affected fixed in
pypi rpyc
>=4.1.0, <4.1.1
>=4.1.0, <4.1.2
4.1.1
4.1.2

Classification

Weakness
  • CWE-1321 Improperly Controlled Modification of Object Prototype Attributes
  • CWE-285 Improper Authorization

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.