Faucet SDN Ryu 4.34 parser.py OFPBundleCtrlMsg denial of service
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.9 | $0-$5k | 0.00 |
Summary
A vulnerability has been found in Faucet SDN Ryu 4.34 and classified as problematic. This affects the function OFPBundleCtrlMsg of the file parser.py. The manipulation leads to denial of service.
This vulnerability is documented as CVE-2020-35139. The attack can be initiated remotely. There is not any exploit available.
Details
A vulnerability, which was classified as problematic, has been found in Faucet SDN Ryu 4.34. This issue affects the function OFPBundleCtrlMsg of the file parser.py. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:
An issue was discovered in OFPBundleCtrlMsg in parser.py in Faucet SDN Ryu version 4.34, allows remote attackers to cause a denial of service (DoS) (infinite loop).
The weakness was released 08/11/2023 as 118. The advisory is shared at github.com. The identification of this vulnerability is CVE-2020-35139 since 12/11/2020. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1499 for this issue.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-2205). If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.9VulDB Meta Temp Score: 5.9
VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
12/11/2020 🔍08/11/2023 🔍
08/11/2023 🔍
07/27/2025 🔍
Sources
Advisory: 118Status: Confirmed
CVE: CVE-2020-35139 (🔍)
GCVE (CVE): GCVE-0-2020-35139
GCVE (VulDB): GCVE-100-236981
EUVD: 🔍
Entry
Created: 08/11/2023 17:42Updated: 07/27/2025 00:33
Changes: 08/11/2023 17:42 (40), 04/16/2025 07:19 (27), 07/27/2025 00:33 (1)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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