CVE-2024-4846Network attack vector

Account takeover via cross-tab 2FA bypass

Published Jun 25, 2024 · Updated Nov 20, 2024

Authentication bypass in Devolutions Server 2024.1.14.0 and earlier allows remote authenticated users to access another account. The 2FA workflow accepts a parallel-tab login for an account whose username and password are known without issuing that account's second-factor challenge. Valid victim credentials and an existing authenticated session are required; the bypass grants account access without completing 2FA.

CVSS severity7.2
High
EPSS probability0.39%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authentication bypass in Devolutions Server 2024.1.14.0 and earlier allows remote authenticated users to access another account. The 2FA workflow accepts a parallel-tab login for an account whose username and password are known without issuing that account's second-factor challenge. Valid victim credentials and an existing authenticated session are required; the bypass grants account access without completing 2FA.

The record

CVE
CVE-2024-4846
Published
Jun 25, 2024
Updated
Nov 20, 2024
Vendor
Ironman Software
Product
Devolutions Server
Classifications
CWE-290, T1078
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 25, 2024CVE publishedPublication date reported by the CVE source.
  2. Nov 20, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=2024.1.14.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Ironman Software · Devolutions Serverversion=0 <=2024.1.14.0

Published CVSS scores

6.3CISA-ADPCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
7.2DevolutionsCVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-290Authentication Bypass by Spoofing
T1078Valid Accounts

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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