CVE-2024-29433: A deserialization vulnerability in the FASTJSON component of Alldata v0.4.6 allows attackers to execute arbitr

This month

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2024-29433 is a critical-severity flaw (CVSS 9.8) affecting alldata. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A deserialization vulnerability in the FASTJSON component of Alldata v0.4.6 allows attackers to execute arbitrary commands via supplying crafted data.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.8% (top 42%)
CISA exploited list	No
Weakness	CWE-502
Published	2024-04-01
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: alldata

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-04-01 20:15 UTCPublished CVE record published
2026-06-17 07:22 UTCUpdated Record last modified

alldata alldata DOWNGRADE

Affected: 0.4.6

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.4.6

1. Check installed version

apt-cache policy alldata || rpm -q alldata || alldata --version

2. No fixed release: DOWNGRADE to a release before 0.4.6 (Debian / Ubuntu)

apt-cache madison alldata sudo apt install alldata=<VERSION_BEFORE_0.4.6> sudo apt-mark hold alldata

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list alldata sudo dnf downgrade alldata-<VERSION_BEFORE_0.4.6> sudo dnf versionlock add alldata

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-29433?

alldata: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-29433 being exploited?

CVE-2024-29433 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-29433 affect?

CVE-2024-29433 affects alldata. Severity is critical (CVSS 9.8). A deserialization vulnerability in the FASTJSON component of Alldata v0.4.6 allows attackers to execute arbitrary commands via supplying crafted data.

How urgent is CVE-2024-29433?

Priority 54/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2024-29435 MEDIUM 4.1 DOWNGRADE An issue discovered in Alldata v0.4.6 allows attacker to run arbitrary commands via the processId parameter.
CVE-2024-29434 HIGH 8.3 DOWNGRADE An issue in the system image upload interface of Alldata v0.4.6 allows attackers to execute a directory traver
CVE-2024-29432 CRITICAL 9.8 DOWNGRADE Alldata v0.4.6 was discovered to contain a SQL injection vulnerability via the tablename parameter at /data/ma
CVE-2024-27605 HIGH 7.5 DOWNGRADE Alldata V0.4.6 is vulnerable to Insecure Permissions
CVE-2024-27604 CRITICAL 9.8 DOWNGRADE Alldata V0.4.6 is vulnerable to Command execution vulnerability

References

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