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CVE-2021-26100

🗓️ 09 Jul 2021 18:23:01Reported by fortinetType 
cve
 cve
🔗 web.nvd.nist.gov👁 119 Views

A missing cryptographic step in FortiMail's Identity-Based Encryption service before 7.0.0 allows unauthenticated attacker to manipulate encrypted messages, enabling tampering and plaintext recovery

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2021-26100
9 Jul 202119:15
–attackerkb
bdu_fstec
BDU FSTEC
FortiMail IBE Unauthorized Access
18 Aug 202100:00
–bdu_fstec
cnnvd
CNNVD
Fortinet FortiMail data forgery vulnerability
9 Jul 202100:00
–cnnvd
cnvd
CNVD
Unspecified Vulnerability in Fortinet FortiMail
13 Jul 202100:00
–cnvd
cvelist
Cvelist
CVE-2021-26100
9 Jul 202118:23
–cvelist
euvd
EUVD
EUVD-2021-12921
7 Oct 202500:30
–euvd
fortinet
Fortinet
Unauthenticated encryption in FML's IBE leads to email plaintext recovery
7 Jul 202100:00
–fortinet
ncsc
NCSC
Vulnerabilities fixed in FortiMail
9 Jul 202100:00
–ncsc
nvd
NVD
CVE-2021-26100
9 Jul 202119:15
–nvd
osv_cve
osv_cve
CVE-2021-26100
9 Jul 202119:15
–osv_cve
Rows per page
NVD
Vulners
Node
[
  {
    "product": "Fortinet FortiMail",
    "vendor": "Fortinet",
    "versions": [
      {
        "status": "affected",
        "version": "FortiMail before 7.0.0"
      }
    ]
  }
]

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17 Jun 2026 03:42Current
7.4High risk
Vulners AI Score7.4
CVSS 25
CVSS 3.15.9 - 7.5
EPSS0.00342
SSVC
119