CVE-2021-42127

published 2021-12-07

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…

Priority P2 72 critical 9.8 CVSS 3.1

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

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.

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) in Ivanti Avalanche before 6.3.3 via the Inforail Service / Data Repository Service — monitor for suspicious deserialization activity on these components ↗

• · No patch or version beyond 6.3.3 is confirmed safe from this CVE; upgrade Ivanti Avalanche to 6.3.3 or later to remediate ↗

CVSS provenance

nvd v3.1 9.8 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvd v2.0 7.5 HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P

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CWE-502