How severe is CVE-2024-9129?

CVE-2024-9129 has a CVSS 4.0 base score of 9.3, rated critical severity.

Is CVE-2024-9129 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-9129?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2024-9129 have an EU (EUVD) identifier?

Yes. CVE-2024-9129 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-49749.

When was CVE-2024-9129 published?

CVE-2024-9129 was published on 2024-10-22 and last updated on 2026-06-17.

CVE-2024-9129

CVE-2024-9129 is a critical-severity vulnerability with a CVSS 4.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-134.

Key facts

Severity: Critical (CVSS 4.0 base score 9.3)
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-49749
Weakness: CWE-134
Published: 2024-10-22
Last modified: 2026-06-17

Description

In versions of Zend Server 8.5 and prior to version 9.2 a format string injection was discovered. Reported by Dylan Marino

Frequently asked questions

What is CVE-2024-9129?: In versions of Zend Server 8.5 and prior to version 9.2 a format string injection was discovered. Reported by Dylan Marino
How severe is CVE-2024-9129?: CVE-2024-9129 has a CVSS 4.0 base score of 9.3, rated critical severity.
Is CVE-2024-9129 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-9129?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2024-9129 have an EU (EUVD) identifier?: Yes. CVE-2024-9129 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-49749.
When was CVE-2024-9129 published?: CVE-2024-9129 was published on 2024-10-22 and last updated on 2026-06-17.

References

https://portal.perforce.com/s/detail/a91PA000001SYZFYA4

Other CWE-134 vulnerabilities

CVE-2012-1851 — Critical (CVSS 10.0): Format string vulnerability in the Print Spooler service in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2,…
CVE-2012-0242 — Critical (CVSS 10.0): Format string vulnerability in Advantech/BroadWin WebAccess before 7.0 allows remote attackers to execute arbitrary…
CVE-2011-2475 — Critical (CVSS 10.0): Format string vulnerability in ECTrace.dll in the iMailGateway service in the Internet Mail Gateway in OneBridge Server…
CVE-2011-1568 — Critical (CVSS 10.0): Format string vulnerability in the logText function in shmemmgr9.dll in IGSSdataServer.exe 9.00.00.11074, and…
CVE-2010-4235 — Critical (CVSS 10.0): Format string vulnerability in RealNetworks Helix Server 12.x, 13.x, and 14.x before 14.2, and Helix Mobile Server…
CVE-2011-0270 — Critical (CVSS 10.0): Format string vulnerability in nnmRptConfig.exe in HP OpenView Network Node Manager (OV NNM) 7.51 and 7.53 allows…

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