CVE-2020-16969 - CERT CVE
ID CVE-2020-16969
Sažetak <p>An information disclosure vulnerability exists in how Microsoft Exchange validates tokens when handling certain messages. An attacker who successfully exploited the vulnerability could use this to gain further information from a user.</p> <p>To exploit the vulnerability, an attacker could include specially crafted OWA messages that could be loaded, without warning or filtering, from the attacker-controlled URL. This callback vector provides an information disclosure tactic used in web beacons and other types of tracking systems.</p> <p>The security update corrects the way that Exchange handles these token validations.</p>
Reference
CVSS
Base: 4.3
Impact: 2.9
Exploitability:8.6
Pristup
VektorSloženostAutentikacija
NETWORK MEDIUM NONE
Impact
PovjerljivostCjelovitostDostupnost
PARTIAL NONE NONE
CVSS vektor AV:N/AC:M/Au:N/C:P/I:N/A:N
Zadnje važnije ažuriranje 23-02-2026 - 18:21
Objavljeno 16-10-2020 - 23:15