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CVE-2019-16328

42
FAUCET Score

CVE-2019-16328 describes a critical vulnerability in RPyC versions 4.1.x through 4.1.1, allowing a remote attacker to execute arbitrary code on affected RPyC services with default configurations. This vulnerability carries a CVSS score of 7.5 (HIGH), indicating a network-based attack with low complexity that can lead to high integrity impact without user interaction. While not listed in CISA's KEV catalog, a Metasploit module exists for this vulnerability, and its EPSS score is exceptionally high, suggesting a significant likelihood of exploitation despite limited public discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.1.0, <= 4.1.1CPE matchmatch criteria
cpe:2.3:a:rpyc_project:rpyc:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
13.05%
Probability of exploitation in next 30 days
EPSS Percentile
95.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
Metasploit: RPyC 4.1.0 through 4.1.1 Remote Command Execution · Feb 19, 2023
This CVE's current EPSS score of 0.1305 is in the 94th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

pippatch availablevia ghsa
Product: rpycFixed in: 4.1.1

Vendor Advisories (1)

pipGHSA-pj4g-4488-wmxmhigh

Dynamic modification of RPyC service due to missing security check

Feb 17, 2021

References

lists.opensuse.org / opensuse-security-announce/2020-05/msg00046.html
Broken Link
lists.opensuse.org / opensuse-security-announce/2020-06/msg00004.html
Broken Link
github.com / tomerfiliba/rpyc
ProductThird Party Advisory
rpyc.readthedocs.io / en/latest/docs/security.html
ExploitVendor Advisory