High severity · published Dec 7, 2021
CVE-2021-42126
An improper authorization control vulnerability exists in Ivanti Avalanche before 6.3.3 allows an attacker with access to the Inforail Service to perform privilege escalation
8.8
CVSS
4%
EPSS
No
On KEV
Description
An improper authorization control vulnerability exists in Ivanti Avalanche before 6.3.3 allows an attacker with access to the Inforail Service to perform privilege escalation.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.0% · higher than 90% 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-2021-42126
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-42126
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