CVE-2023-33141 json
Yet Another Reverse Proxy (YARP) Denial of Service Vulnerability
published 2023-06-23 3 y ago modified 2026-06-17 4 mo 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
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
2.22% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).
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
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2023-33141
vendor-advisory, web, patch
-
github.com
/microsoft/reverse-proxy/security/advisories/GHSA-jrjw-qgr2-wfcg
web
-
nvd.nist.gov
/vuln/detail/CVE-2023-33141
advisory
-
github.com
/microsoft/reverse-proxy
package
-
nuget.org
/packages/Yarp.ReverseProxy/1.1.2
web
-
nuget.org
/packages/Yarp.ReverseProxy/2.0.1
web
Sources
- CVE List CVE-2023-33141
- GitHub Advisory GHSA-jrjw-qgr2-wfcg
- NVD CVE-2023-33141
Fencer Vulns 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.