CVE-2022-4890
CWE-502Published: January 16, 2023· Updated: Jun 17, 2026
Official Description
A vulnerability, which was classified as critical, has been found in abhilash1985 PredictApp. This issue affects some unknown processing of the file config/initializers/new_framework_defaults_7_0.rb of the component Cookie Handler. The manipulation leads to deserialization. The attack may be initiated remotely. The patch is named b067372f3ee26fe1b657121f0f41883ff4461a06. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-218387.
Risk Analysis
PredictApp contains a critical deserialization vulnerability in its Cookie Handler component. This flaw allows for remote exploitation, and given its high CVSS score of 9.8, it poses a significant risk to system integrity and confidentiality.
There is no known public exploit for this vulnerability, and it is not listed in the CISA KEV catalog.
Apply the vendor-provided patch identified by hash b067372f3ee26fe1b657121f0f41883ff4461a06.
Technical Analysis
CVE-2022-4890 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
From a weakness classification perspective (CWE-502): Insecure deserialization vulnerabilities allow attackers to inject malicious objects during deserialization, potentially enabling remote code execution.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (8)
Quick Facts
Related CVEs (CWE-502)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2022-4890 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts