CVE-2022-3339 json
Reflected XSS in Trellix ePO server
published 2022-10-18 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-42726
- cvss
- 5.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 56%
- public exploits
- 0
- none known
Summary
A reflected cross-site scripting (XSS) vulnerability in ePO prior to 5.10 Update 14 allows a remote unauthenticated attacker to potentially obtain access to an ePO administrator's session by convincing the authenticated ePO administrator to click on a carefully crafted link. This would lead to limited access to sensitive information and limited ability to alter some information in ePO.
Patch / fix
- Trellix Trellix ePolicy Orchestrator (ePO) 5.10 Update 14
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 18 mo ago
Exploit prediction
0.80% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N |
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected products
- Trellix Trellix ePolicy Orchestrator (ePO)
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
kcm.trellix.com
/corporate/index?page=content&id=SB10387
third-party-advisory
Sources
- CVE List CVE-2022-3339
- NVD CVE-2022-3339
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.