Nacos Spring Project up to 1.1.1 SnakeYamls Constructor deserialization
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.3 | $0-$5k | 0.00 |
Summary
A vulnerability described as critical has been identified in Nacos Spring Project up to 1.1.1. This impacts the function Constructor of the component SnakeYamls Handler. Such manipulation leads to an unknown weakness.
This vulnerability is referenced as CVE-2023-39106. It is possible to launch the attack remotely. No exploit is available.
Details
A vulnerability, which was classified as critical, has been found in Nacos Spring Project up to 1.1.1 (Project Management Software). Affected by this issue is the function Constructor of the component SnakeYamls Handler. Using CWE to declare the problem leads to CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. Impacted is confidentiality, integrity, and availability. CVE summarizes:
An issue in Nacos Group Nacos Spring Project v.1.1.1 and before allows a remote attacker to execute arbitrary code via the SnakeYamls Constructor() component.
The weakness was published 08/22/2023 as 314. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2023-39106 since 07/25/2023. There are known technical details, but no exploit is available.
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-2023-2356). Once again VulDB remains the best source for vulnerability data.
Product
Type
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.3VulDB Meta Temp Score: 6.3
VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: DeserializationCWE: CWE-502 / CWE-20
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
07/25/2023 🔍08/22/2023 🔍
08/22/2023 🔍
08/11/2025 🔍
Sources
Advisory: 314Status: Confirmed
CVE: CVE-2023-39106 (🔍)
GCVE (CVE): GCVE-0-2023-39106
GCVE (VulDB): GCVE-100-237620
EUVD: 🔍
Entry
Created: 08/22/2023 07:49Updated: 08/11/2025 07:02
Changes: 08/22/2023 07:49 (39), 09/14/2023 09:06 (1), 08/11/2025 07:02 (16)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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