Critical severity · published Dec 7, 2021
CVE-2021-42127
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
9.8
CVSS
65.8%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)65.8% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AV
Avalanche · Ivanti
before 6.3.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-42127
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-42127
Vendor Advisory
https://forums.ivanti.com/s/article/Security-Alert-CVE-s-Addressed-in-Avalanche-6-3-3
More from Avalanche
9.8
CVE-2023-38036
A security vulnerability within Ivanti Avalanche Manager before version 6.4.1 may allow an unauthenticated attacker to create a buffer overflow that could result in service…
9.8
CVE-2024-13181
Path Traversal in Ivanti Avalanche before version 6.4.7 allows a remote unauthenticated attacker to bypass authentication
9.8
CVE-2024-13179
Path Traversal in Ivanti Avalanche before version 6.4.7 allows a remote unauthenticated attacker to bypass authentication
9.8
CVE-2024-47010
Path Traversal in Ivanti Avalanche before version 6.4.5 allows a remote unauthenticated attacker to bypass authentication
9.8
CVE-2024-47009
Path Traversal in Ivanti Avalanche before version 6.4.5 allows a remote unauthenticated attacker to bypass authentication