9.8

CVE-2021-42128: ivanti avalanche Exposed Dangerous Method or Function

CVSS: 9.8v3.1CriticalModified
Published 07-12-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2021-42128 is a critical (CVSS 9.8) Exposed Dangerous Method or Function vulnerability in ivanti avalanche. EPSS estimates a 4.65% chance of exploitation in the next 30 days, higher than 91.6% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
4.65%
0%100%
Low · +0.15 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 07-12-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

An exposed dangerous function vulnerability exists in Ivanti Avalanche before 6.3.3 using inforail Service allows Privilege Escalation via Enterprise Server Service.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

4.65%

Chance of exploitation in the next 30 days

Percentile

92%

Versus all other CVEs

30-day change

+0.15 pp

From 4.50% on 20-09-2026

20-09-202620-10-2026
EPSS score
4.65%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ivanti1 product

1 vendor · 1 product

References

1 links