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CVE-2021-29654: AjaxSearchPro before 4.20.8 allows Deserialization of Untrusted Data (in the import database feature of the ad

51
This month
HIGH 7.2UPGRADE

CVE-2021-29654 is a high-severity flaw (CVSS 7.2) affecting ajaxsearchpro. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

AjaxSearchPro before 4.20.8 allows Deserialization of Untrusted Data (in the import database feature of the administration panel), leading to Remote Code execution.

Why this priority

  • High severity
  • Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score7.2 (High)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededHigh
User interactionNone
EPSS exploit chance2.2% (top 17%)
CISA exploited listNo
WeaknessCWE-502
Published2021-04-14
Last modified2026-06-17
Publisher (CNA): MITRE · Vendor: stackpath

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

Am I affected?

Timeline

stackpath ajaxsearchpro UPGRADE
Affected: < 4.20.8
Fixed in: 4.20.8
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy ajaxsearchpro || rpm -q ajaxsearchpro || ajaxsearchpro --version
2. UPGRADE to 4.20.8 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade ajaxsearchpro
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade ajaxsearchpro
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
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-2021-29654?

ajaxsearchpro: upgrade to 4.20.8. Exact commands for each OS are on this page.

Is CVE-2021-29654 being exploited?

CVE-2021-29654 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-2021-29654 affect?

CVE-2021-29654 affects ajaxsearchpro. Severity is high (CVSS 7.2). AjaxSearchPro before 4.20.8 allows Deserialization of Untrusted Data (in the import database feature of the administration panel), leading to Remote Code execution.

How urgent is CVE-2021-29654?

Priority 51/100. High severity; Public exploit reference

References

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