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CVE-2023-36633

18
FAUCET Score

CVE-2023-36633 is an improper authorization vulnerability affecting FortiMail webmail versions 7.2.0 through 7.2.2 and before 7.0.5. An authenticated attacker can exploit this flaw to view and alter the titles of other users' address book folders through crafted HTTP/S requests. With a CVSS score of 5.4 (Medium), this vulnerability has a low attack complexity and requires authentication, leading to limited impact on confidentiality and integrity. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 6.0.0, < 7.0.6CPE matchmatch criteria
cpe:2.3:a:fortinet:fortimail:*:*:*:*:*:*:*:*
>= 7.2.0, < 7.2.3CPE matchmatch criteria
cpe:2.3:a:fortinet:fortimail:*:*:*:*:*:*:*:*
>= 6.0.0, <= 6.0.12CPE match
cpe:2.3:a:fortinet:fortimail:*:*:*:*:*:*:*:*
>= 6.2.0, <= 6.2.9CPE match
cpe:2.3:a:fortinet:fortimail:*:*:*:*:*:*:*:*
>= 6.4.0, <= 6.4.8CPE match
cpe:2.3:a:fortinet:fortimail:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.4MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.47%
Probability of exploitation in next 30 days
EPSS Percentile
38.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0047 is in the 48th percentile among its peer group of 21,974 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

fortinetvendor investigatingvia nvd_reference
View patch

References

fortiguard.com / psirt/FG-IR-23-203
Vendor Advisory