CVE-2021-42130

published 2021-12-07

CVE-2021-42130: A deserialization of untrusted data vulnerability exists in Ivanti Avalanche before 6.3.3 allows an attacker with access to the Inforail Service to perform…

Priority P2 70 high 8.8 CVSS 3.1

AV N AC L PR L UI N S U C H I H A H

A deserialization of untrusted data vulnerability exists in Ivanti Avalanche before 6.3.3 allows an attacker with access to the Inforail Service to perform arbitrary code execution.

Affected

1 ranges

Vendor	Product	Version range	Fixed in
ivanti	avalanche	< 6.3.3	6.3.3

Detection & IOCs extracted from sources · hover to see the quote

• → Vulnerability class is deserialization of untrusted data (CWE-502) targeting the Ivanti Avalanche Inforail Service; monitor for unexpected deserialization payloads or anomalous process execution originating from the Inforail Service process. ↗

• · Exploitation requires the attacker to already have access to the Inforail Service; network-level access controls restricting exposure of the Inforail Service port reduce attack surface. ↗
• · Affected versions are Ivanti Avalanche before 6.3.3; ensure the product is patched to 6.3.3 or later to remediate. ↗

CVSS provenance

nvd v3.1 8.8 HIGH CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

nvd v2.0 6.5 MEDIUM AV:N/AC:L/Au:S/C:P/I:P/A:P

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CWE-502