CVE-2023-39106 json
Nacos Spring vulnerable to Unsafe Deserialization
published 3y ago modified 4mo ago also GHSA-v6c8-pwhq-288m , EUVD-2023-2356
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 70%
- public exploits
- 0
- none known
Summary
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.
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Check with FencerCISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 2y ago
Exploit prediction
1.29% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-15).
Exploits and checks
- github.com https://github.com/nacos-group/nacos-spring-project/issues/314 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| GitHub | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | com.alibaba.nacos:nacos-spring-context | <=1.1.1 |
no fix listed |
Classification
- Weakness
-
- CWE-502 Deserialization of Untrusted Data
References
-
github.com
/nacos-group/nacos-spring-project/issues/314
web, exploit, issue-tracking
-
nvd.nist.gov
/vuln/detail/CVE-2023-39106
advisory
-
github.com
/nacos-group/nacos-spring-project
package
Sources
- CVE List CVE-2023-39106
- GitHub Advisory GHSA-v6c8-pwhq-288m
- NVD CVE-2023-39106
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.