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Fencer Vulns
critical 9.8

CVE-2020-24914 json

qcubed PHP object injection

published 2021-03-04 5 y ago modified 2026-07-09 4 mo ago also GHSA-7w3c-jgh7-cwjw , EUVD-2022-3071

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.0%
EPSS 5.0% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

A PHP object injection bug in profile.php in qcubed (all versions including 3.1.1) unserializes the untrusted data of the POST-variable "strProfileData" and allows an unauthenticated attacker to execute code via a crafted POST request.

Patch / fix

  • packagist qcubed/qcubed 3.2

Exploit prediction

4.98% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • ait.ac.at https://www.ait.ac.at/themen/cyber-security/pentesting/security-advisories/ait-sa-20210215-01 referenced PoC, tagged "exploit" by a source, unverified
  • tech.feedyourhead.at https://tech.feedyourhead.at/content/QCubed-PHP-Object-Injection-CVE-2020-24914 referenced PoC, tagged "exploit" by a source, unverified
  • seclists.org http://seclists.org/fulldisclosure/2021/Mar/28 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P
GitHub 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
packagist qcubed/qcubed
<3.2
3.2

Classification

Weakness
  • CWE-502 Deserialization of Untrusted Data
  • CWE-915 Improperly Controlled Modification of Dynamically-Determined Object Attributes

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.