CVE-2023-3321 json
Code Execution through Writable Mosquitto Configuration File
published 2023-07-24 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-43989
- cvss
- 7.0
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 30%
- public exploits
- 0
- none known
Summary
A vulnerability exists by allowing low-privileged users to read and update the data in various directories used by the Zenon system. An attacker could exploit the vulnerability by using specially crafted programs to exploit the vulnerabilities by allowing them to run on the zenon installed hosts. This issue affects ABB Ability™ zenon: from 11 build through 11 build 106404.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.37% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.0 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- ABB ABB Ability™ zenon
Classification
- Weakness
-
- CWE-15 External Control of System or Configuration Setting
References
-
search.abb.com
/library/Download.aspx?DocumentID=2NGA001801&LanguageCode=en&DocumentPartId=&Action=Launch&_ga=2.194142766.206
mitigation, technical-description, vendor-advisory
Sources
- CVE List CVE-2023-3321
- NVD CVE-2023-3321
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.