Skip to content
Fencer Intel
high 7.5

CVE-2023-33141 json

Yet Another Reverse Proxy (YARP) Denial of Service Vulnerability

published 3y ago modified 4mo ago also GHSA-jrjw-qgr2-wfcg , EUVD-2023-1836

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.2%
EPSS 2.2% chance of exploitation in 30 days, percentile 82%
public exploits
0
none known

Summary

Yet Another Reverse Proxy (YARP) Denial of Service Vulnerability

Patch / fix

  • nuget Yarp.ReverseProxy 1.1.2, 2.0.1
  • Microsoft YARP 1.0 1.1.2
  • Microsoft YARP 2.0 2.0.1

Is CVE-2023-33141 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
2y ago

Exploit prediction

2.22% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-14).

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
GitHub 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
nuget Yarp.ReverseProxy
<1.1.2
>=2.0.0, <2.0.1
1.1.2
2.0.1

Affected products

  • Microsoft YARP 1.0
  • Microsoft YARP 2.0

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption

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.