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CVE-2023-34993

50
FAUCET Score

CVE-2023-34993 is a critical OS command injection vulnerability affecting Fortinet FortiWLM versions 8.6.0 through 8.6.5 and 8.5.0 through 8.5.4. An unauthenticated attacker can exploit this flaw by sending specially crafted HTTP GET request parameters, leading to unauthorized code or command execution. With a CVSS score of 9.8, this vulnerability poses a severe risk due to its network-based attack vector, low complexity, and complete compromise of confidentiality, integrity, and availability. While not yet observed in the KEV catalog or actively exploited, public Nuclei templates exist, and its high EPSS score indicates a significant likelihood of future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
>= 8.5.0, <= 8.5.4CPE matchmatch criteria
cpe:2.3:a:fortinet:fortiwlm:*:*:*:*:*:*:*:*
>= 8.6.0, <= 8.6.5CPE matchmatch criteria
cpe:2.3:a:fortinet:fortiwlm:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
18.15%
Probability of exploitation in next 30 days
EPSS Percentile
96.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2023-34993 · Mar 14, 2024
This CVE's current EPSS score of 0.1815 is in the 93rd percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 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-23-140
Vendor Advisory