CVE-2021-42127

high-risk
Published 2021-12-07

A deserialization of untrusted data vulnerability exists in Ivanti Avalanche before 6.3.3 using Inforail Service allows arbitrary code execution via Data Repository Service.

Do I need to act?

!
54.0% chance of exploitation in next 30 days
EPSS score — higher than 46% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Ivanti

References (2)

Vendor Advisory https://forums.ivanti.com/s/article/Security-Alert-CVE-s-Addressed-in-Avalanche-...
Vendor Advisory https://forums.ivanti.com/s/article/Security-Alert-CVE-s-Addressed-in-Avalanche-...
55
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 18/34 · Moderate
Exposure 5/34 · Minimal