6.5

CVE-2018-8902: ivanti avalanche Improper Authentication

CVSS: 6.5v3.0MediumModified
Published 29-06-2018Last modified 05-08-2024

Vulnerability summary

CVE-2018-8902 is a medium (CVSS 6.5) Improper Authentication vulnerability in ivanti avalanche. EPSS estimates a 1.74% chance of exploitation in the next 30 days, higher than 77.4% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.0 (NVD)
EPSS score
1.74%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 29-06-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in Ivanti Avalanche for all versions between 5.3 and 6.2. The impacted products used a single shared key encryption model to encrypt data. A user with access to system databases can use the discovered key to access potentially confidential stored data, which may include Wi-Fi passwords. This discovered key can be used for all instances of the product.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.74%

Chance of exploitation in the next 30 days

Percentile

77%

Versus all other CVEs

30-day change

0.00 pp

From 1.74% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.74%

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