CVE-2024-9129Network attack vector

Unspecified impact via format string injection

Published Oct 22, 2024 · Updated Oct 22, 2024

Format string injection in Zend Server 8.5 through versions before 9.1 allows remote attackers to cause unspecified impact via network requests. Perforce has not disclosed the affected component, input field, or formatting operation that treats attacker-controlled data as a format string. The published assessment requires neither authentication nor user interaction, but the resulting read, write, execution, or service effects remain unspecified.

CVSS severity9.3
Critical
EPSS probability0.43%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Format string injection in Zend Server 8.5 through versions before 9.1 allows remote attackers to cause unspecified impact via network requests. Perforce has not disclosed the affected component, input field, or formatting operation that treats attacker-controlled data as a format string. The published assessment requires neither authentication nor user interaction, but the resulting read, write, execution, or service effects remain unspecified.

The record

CVE
CVE-2024-9129
Published
Oct 22, 2024
Updated
Oct 22, 2024
Vendor
Zend
Product
Zend Server
Classifications
CWE-134, CAPEC-135, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 22, 2024CVE publishedPublication date reported by the CVE source.
  2. Oct 22, 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=8.5 <9.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Zend · Zend Serverversion=8.5 <9.1

Published CVSS scores

9.3PerforceCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-134Use of Externally-Controlled Format String
CAPEC-135Format String Injection
T1190Exploit Public-Facing Application

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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