Vulnerability Details : CVE-2021-26099
Missing cryptographic steps in the Identity-Based Encryption service of FortiMail before 7.0.0 may allow an attacker who comes in possession of the encrypted master keys to compromise their confidentiality by observing a few invariant properties of the ciphertext.
Exploit prediction scoring system (EPSS) score for CVE-2021-26099
Probability of exploitation activity in the next 30 days: 0.06%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 24 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2021-26099
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:N/A:N |
8.0
|
2.9
|
NIST |
|
4.9
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |
1.2
|
3.6
|
NIST |
|
4.4
|
MEDIUM | CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N |
0.7
|
3.6
|
Fortinet, Inc. |
CWE ids for CVE-2021-26099
-
The product uses a broken or risky cryptographic algorithm or protocol.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-26099
-
https://fortiguard.com/advisory/FG-IR-20-244
FortiMail - Improper use of cryptographic primitives in IBE KeyStore | FortiGuardVendor Advisory
Products affected by CVE-2021-26099
- cpe:2.3:a:fortinet:fortimail:*:*:*:*:*:*:*:*