CVE-2021-23758

Deserialization of Untrusted Data

En bref

Sévérité: HIGH 8.1
Exploitation: Exploitation connue (CISA KEV) · ajoutée le 2026-08-26
Exploitée selon l'ENISA depuis le 2026-08-26
EPSS: EPSS 82.58 % · centile 100 (2026-10-28)
État: PUBLISHED
Publiée: 2021-12-03
Mise à jour: 2026-08-27
Attribuée par: snyk
Statut NVD: Analyzed

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.

Scores

Version	Score	Vecteur	Évalué par
CVSS 3.1	HIGH 8.1	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H	snyk
CVSS 3.1	HIGH 8.1	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H	NVD · report@snyk.io (Secondary)
CVSS 3.1	CRITICAL 9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	NVD · nvd@nist.gov (Primary)
CVSS 2.0	HIGH 7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P	NVD · nvd@nist.gov (Primary)

Faiblesses (CWE)

CWE-502

Avis

GHSA-6r7c-6w96-8pvw — Remote Code Execution in AjaxNetProfessional

Références européennes

ENISA EUVD · EUVD-2021-2466
GCVE · GCVE-0-2021-23758

Configurations affectées (CPE NVD)

cpe:2.3:a:ajaxpro.2_project:ajaxpro.2:*:*:*:*:*:.net:*:*
cpe:2.3:a:michaelschwarz:ajax.net_professional:*:*:*:*:*:.net:*:* < 21.10.30.1

Produits affectés

Produit	Versions
AjaxPro.2	affected 0 < unspecified

Références

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
CISA Known Exploited Vulnerabilities	CC0 1.0
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD