CVSS 3.1
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
в каталога KEV от 2 юни 2025
Атакува се в момента
Време до експлоатация
след публикуването
Атакува се по мрежата, при специфични условия, без вход и без действие от потребителя.
- Експлоатация: активно се експлоатира
- Атаката не може да се автоматизира
Описание
Оригинално описание
ScreenConnect versions 25.2.3 and earlier versions may be susceptible to a ViewState code injection attack. ASP.NET Web Forms use ViewState to preserve page and control state, with data encoded using Base64 protected by machine keys. It is important to note that to obtain these machine keys, privileged system level access must be obtained. If these machine keys are compromised, attackers could create and send a malicious ViewState to the website, potentially leading to remote code execution on the server. The risk does not originate from a vulnerability introduced by ScreenConnect, but from platform level behavior. This had no direct impact to ScreenConnect Client. ScreenConnect 2025.4 patch disables ViewState and removes any dependency on it.
Засегнати продукти
- ConnectWise ScreenConnect: <25.2.3
Вид слабост
История
- 25 април 2025 Публикувано
Други уязвимости в ConnectWise ScreenConnect
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2025-3935
- https://nvd.nist.gov/vuln/detail/CVE-2025-3935
- https://www.connectwise.com/company/trust/security-bulletins/screenconnect-security-patch-2025.4
- https://www.connectwise.com/company/trust/advisories
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-3935