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CVE-2021-26857
HIGHCISA KEV7.8
Descricao
Microsoft Exchange Server Remote Code Execution Vulnerability
Detalhes CVE
Pontuacao CVSS v3.17.8
SeveridadeHIGH
Vetor CVSSCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Vetor de ataqueLOCAL
ComplexidadeLOW
Privilegios necessariosNONE
Interacao do usuarioREQUIRED
Publicado3/3/2021
Ultima modificacao12/18/2025
Fontekev
Avistamentos honeypot0
CISA KEV
FornecedorMicrosoft
ProdutoExchange Server
Nome da vulnerabilidadeMicrosoft Exchange Server Remote Code Execution Vulnerability
Data inclusao KEV2021-11-03
Prazo de remediacao2022-05-03
Uso em ransomwareKnown
Produtos afetados
microsoft:exchange_server
Fraquezas (CWE)
CWE-502CWE-502
Referencias
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26857(secure@microsoft.com)
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26857(af854a3a-2127-422b-91ae-364da2661108)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-26857(134c704f-9b21-4f2e-91b3-4a467353bcc0)
Correlacoes IOC
Sem correlacoes registradas
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