CVE-2023-3222Network attack vector

Unauthenticated account takeover via recovery-token brute force

Published Sep 4, 2023 · Updated Sep 30, 2024

Weak password recovery in AlfnRU Roundcube Password Recovery Plugin 1.2 allows remote attackers to reset an existing user's password. The recovery endpoint accepts a six-digit numeric token and applies no request limit, allowing exhaustive token trials. No authentication or user interaction is required; success changes the targeted account's password and enables account takeover.

CVSS severity7.5
High
EPSS probability0.67%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Weak password recovery in AlfnRU Roundcube Password Recovery Plugin 1.2 allows remote attackers to reset an existing user's password. The recovery endpoint accepts a six-digit numeric token and applies no request limit, allowing exhaustive token trials. No authentication or user interaction is required; success changes the targeted account's password and enables account takeover.

The record

CVE
CVE-2023-3222
Published
Sep 4, 2023
Updated
Sep 30, 2024
Vendor
AlfnRU
Product
Roundcube Password Recovery Plugin
Classifications
CWE-640, T1110
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 4, 2023CVE publishedPublication date reported by the CVE source.
  2. Sep 30, 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=1.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

AlfnRU · Roundcube Password Recovery Pluginversion=1.2

Published CVSS scores

7.5INCIBECVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A: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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-640Weak Password Recovery Mechanism for Forgotten Password
T1110Brute Force

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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