PT-2023-1453 · Microsoft · Exchange Server

Chudypb + 2 · Publicado 2023-02-14 · Atualizado 2026-04-29 · CVE-2023-21529

Positive Technologies (AI Summary)

CVSS v2.0

9.0

Alta

Vetor base

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Microsoft Exchange Server (affected versions not specified)

Description The issue is related to the use of dangerous methods or functions in Microsoft Exchange Server, allowing a remote attacker to execute arbitrary code. This can enable the attacker to impact the system. The vulnerability involves the abuse of the allowed MultiValuedProperty class for remote code execution.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

LPE

DoS

RCE

Deserialization of Untrusted Data

Enumeração de Fraquezas

CWE-749

CWE-502

Identificadores relacionados

BDU:2023-00860

CVE-2023-21529

ZDI-23-162

Produtos afetados

Exchange Server

Referências · 28

• 🔥❌ https://github.com/tr1pl3ight/CVE-2023-21529-POC · Exploit, Deleted
• https://t.me/avleonovcom/1081 · Publicação no Telegram
• https://twitter.com/inferlume_hq/status/2048791648025612339 · Publicação no Twitter
• https://microsoft.com/en-us/security/blog/2026/04/06/storm-1175-focuses-gaze-on-vulnerable-web-facing-assets-in-high-tempo-medusa-ransomware-operations · Aviso do Fabricante
• https://bdu.fstec.ru/vul/2023-00860 · Nota de Segurança
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-21529 · Nota de Segurança
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21529 · Aviso do Fabricante
• https://twitter.com/JulianWieg/status/1691178000635613184 · Publicação no Twitter
• https://twitter.com/grok/status/1959694849608913388 · Publicação no Twitter
• https://cisa.gov/sites/default/files/csv/known_exploited_vulnerabilities.csv · Nota
• https://twitter.com/inferlume_hq/status/2048791645970371004 · Publicação no Twitter
• https://cybersecurity-help.cz/vdb/SB2023021424 · Nota
• https://t.me/avleonovcom/1083 · Publicação no Telegram
• https://twitter.com/ScyScan/status/2043767171978064200 · Publicação no Twitter
• https://cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-21529 · Nota