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Advisories

EspoCRM through 10.0.8 Weak Token Generation via rand()

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severity
medium
date
Affecting

  • EspoCRM <= 10.0.8

CWE
  • CWE-338 Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
CVSS
6.3
CVSS V4 Vector
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Credit
Kazi Sabbir
Description
EspoCRM through 10.0.8 uses PHP's rand() function to generate tokens for lead-capture opt-in, event invitation, and campaign URLs instead of a cryptographically secure generator. Remote unauthenticated attackers can guess these roughly 31-bit tokens to confirm opt-ins, accept or decline event invitations on behalf of other contacts, and access event details.

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