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HIGHpublic exploit

CVE-2023-0860

CVE-2023-0860 — Improper Restriction of Excessive Authentication Attempts in modoboa/modoboa-installer

Improper Restriction of Excessive Authentication Attempts in GitHub repository modoboa/modoboa-installer prior to 2.0.4.

Published Updated Sources: cvelistV5, @huntrdev

Triage

Is it exploited, how likely is exploitation, what does it touch, and how severe do the scoring sources call it.

Exploitation

Exploit code

public exploit, none observed

EPSS

1%

chance of exploitation in 30 days

Affects

modoboa

modoboa_modoboa_installer

CVSS base

7.8

HIGH

CISA SSVC assessment

Three decision points CISA publishes for the CVEs it assesses · SSVC 2.0.3. A stakeholder decision, not a severity score.

CISA

Exploitation

PoC

none · proof-of-concept · active

Automatable

No

can an attacker script all four kill-chain steps

Technical impact

Total

partial · total control of the vulnerable component

Affected scope

The catalog records vendors and products as separate lists, not pairs, so which product belongs to which vendor is not something this page can say.

Vendors (1)

modoboa

Products (1)

modoboa modoboa installer

Every base score collected

Sources score independently and disagree; each row says who scored it and under which version.

ScoreVersionSeverityExpl.ImpactSource
7.8CVSS 3.0HIGH——cvelistV5

Weakness & attack patterns

  • CWE-307

Attack patterns reported against this CVE. The ATT&CK techniques below are inferred from its weakness class.

  • T1110.001Brute Force: Password Guessing
  • T1078Valid Accounts
  • T1110.003Brute Force: Password Spraying

Public exploit

Capability, not use: code existing is a different claim from anyone running it.

Indexed by

poc in github

Detection

Read off the CVSS vector and the weakness class. Starting points, not rules we have tested.

  • Search application, proxy, and WAF logs for requests touching /modoboa-installer.

References

2 on the record

Elsewhere on this site

  • modoboaevery CVE for this vendor
  • CWE-307other pages naming this weakness

Not in any source we poll

Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.

  • No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
  • No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
  • No exploit packet captures, log samples, or incident case IDs supplied.