CVE-2021-42128
9.8
CRITICAL · CVSS 3.1 · EPSS 4.6% (pctl 91)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
An exposed dangerous function vulnerability exists in Ivanti Avalanche before 6.3.3 using inforail Service allows Privilege Escalation via Enterprise Server Service.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 4.65% — more likely to be exploited than 91% of all CVEs |
| Weakness | CWE-749 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2021-12-07 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| ivanti | avalanche |
References
→ the Explorer · watch your stack · NVD