CVE-2024-55556Public exploitNetwork attack vector

Remote code execution via encrypted session deserialization

Published Jan 7, 2025 · Updated Jan 8, 2025

Deserialization in Crater Invoice and InvoiceShelf allows remote attackers with the APP_KEY to execute commands via an encrypted session cookie. The cookie session driver decrypts attacker-supplied Laravel session data and unserializes embedded PHP objects without establishing trust. Crater Invoice 6.0.6 and earlier and InvoiceShelf 1.3.0 and earlier are exposed only when the attacker obtains the application secret.

CVSS severity9.8
Critical
EPSS probability44.13%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Deserialization in Crater Invoice and InvoiceShelf allows remote attackers with the APP_KEY to execute commands via an encrypted session cookie. The cookie session driver decrypts attacker-supplied Laravel session data and unserializes embedded PHP objects without establishing trust. Crater Invoice 6.0.6 and earlier and InvoiceShelf 1.3.0 and earlier are exposed only when the attacker obtains the application secret.

The record

CVE
CVE-2024-55556
Published
Jan 7, 2025
Updated
Jan 8, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-502, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 7, 2025CVE publishedPublication date reported by the CVE source.
  2. Jan 8, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

9.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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 exploitPublished

Weakness, pattern, technique

CWE-502Deserialization of Untrusted Data
T1190Exploit Public-Facing Application

Public exploit references

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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