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HIGH

CVE-2021-39141

CVSS v3

8.5

HIGH

Score EPSS

16.1 %

probabilité d’exploitation au 2026-10-05

CISA KEV

Non

exploitation connue

Exploitation

—

statut SSVC

Description

XStream is a simple library to serialize objects to XML and back again. In affected versions this vulnerability may allow a remote attacker to load and execute arbitrary code from a remote host only by manipulating the processed input stream. No user is affected, who followed the recommendation to setup XStream's security framework with a whitelist limited to the minimal required types. XStream 1.4.18 uses no longer a blacklist by default, since it cannot be secured for general purpose.

Détails techniques

Publiée le
2021-08-23

Questions fréquentes

Qu’est-ce que CVE-2021-39141 ?

XStream is a simple library to serialize objects to XML and back again. In affected versions this vulnerability may allow a remote attacker to load and execute arbitrary code from a remote host only by manipulating the processed input stream. No user is affected, who followed the recommendation to setup XStream's security framework with a whitelist limited to the minimal required types. XStream 1.4.18 uses no longer a blacklist by default, since it cannot be secured for general purpose.

CVE-2021-39141 est-elle activement exploitée ?

Aucune exploitation active de CVE-2021-39141 n’est confirmée. Son score EPSS était de 16.1 % au 2026-10-05, soit la probabilité estimée d’exploitation dans les 30 prochains jours.

Quel est le score CVSS de CVE-2021-39141 ?

CVE-2021-39141 a un score de base CVSS v3 de 8.5 (gravité HIGH).

CVE-2021-39141 touche-t-elle votre environnement ?

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