CVE•Published 2021-12-03•Modified 2026-08-27•1 article on news•5 live references•NVD data

CVE-2021-23758Ajaxpro.2_project · Ajaxpro.2

Vulnerability data via NVD (ingested)

CVSS v3.1

8.1

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS percentile

100

Exploit Prediction Scoring System · top 0% of all CVEs

Weaknesses (CWE)

CWE-502Deserialization of Untrusted Data

Description

All versions of package ajaxpro.2 are vulnerable to Deserialization of Untrusted Data due to the possibility of deserialization of arbitrary .NET classes, which can be abused to gain remote code execution.

Timeline

Published 2021-12-03

Modified 2026-08-27

External references

NVD MITRE Exploit-DB trickest/cve VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2021-23758

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Ajaxpro.2 Project Ajaxpro.2"

All exposed Ajaxpro.2 Project Ajaxpro.2 instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Ajaxpro.2"

HTTP body or banner mentions "Ajaxpro.2" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2021-23758