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CVE-2021-26091: Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

🗓️ 24 Mar 2025 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 5 Views

Weak PRNG in FortiMail 6.2.0-6.2.7 and 6.4.0-6.4.4 allows unauthenticated credential reset.

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Refs
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Family
bdu_fstec
BDU FSTEC
FortiMail IBE Unauthorized Access
25 Aug 202100:00
–bdu_fstec
circl
Circl
CVE-2021-26091
24 Mar 202516:39
–circl
cnnvd
CNNVD
Fortinet FortiMail security feature vulnerability
13 Jul 202100:00
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cve
CVE
CVE-2021-26091
24 Mar 202515:37
–cve
cvelist
Cvelist
CVE-2021-26091
24 Mar 202515:37
–cvelist
euvd
EUVD
EUVD-2021-12912
7 Oct 202500:30
–euvd
fortinet
Fortinet
FortiMail - Insecure PRNG in password and token generation scheme of IBE authentication
7 Jul 202100:00
–fortinet
ncsc
NCSC
Vulnerabilities fixed in FortiMail
9 Jul 202100:00
–ncsc
nvd
NVD
CVE-2021-26091
24 Mar 202516:15
–nvd
osv_cve
osv_cve
CVE-2021-26091
24 Mar 202516:15
–osv_cve
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23 Jul 2025 00:00Current
7.3High risk
Vulners AI Score7.3
CVSS 3.17.5
EPSS0.00308
SSVC
5