CVE-2024-23113: Fortinet Multiple Products Format String Vulnerability
- Is it exploited?
Yes. CISA added it to the Known Exploited Vulnerabilities catalog on 9 Oct 2024, 237 days after the CVE record was published.
- How likely is exploitation in the next 30 days?
- 61.7%
EPSS score, percentile 99.2 of all scored records
- How severe?
- 9.8 Critical
CVSS v3.1 base score, given by the CNA
- What should I do?
CISA deadline 30 Oct 2024. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
The CVE record links no vendor advisory, patch or mitigation.
- Which versions are affected?
Affected
- 7.2.0 through 7.2.3
- 7.0.0 through 7.0.3
- 7.4.0 through 7.4.2
- 7.2.0 through 7.2.6
- 7.0.0 through 7.0.13
- 1.2.0
and 5 more in the table below
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
What to do
Required action, set by CISA
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA due date for this action: 30 October 2024.
Solution (from the CVE record)
Please upgrade to FortiWeb version 7.4.3 or above Please upgrade to FortiVoice version 7.0.2 or above Please upgrade to FortiVoice version 6.4.9 or above Please upgrade to FortiSwitchManager version 7.2.4 or above Please upgrade to FortiSwitchManager version 7.0.4 or above Please upgrade to FortiOS version 7.4.3 or above Please upgrade to FortiOS version 7.2.7 or above Please upgrade to FortiOS version 7.0.14 or above Please upgrade to FortiAuthenticator version 7.0.0 or above Please upgrade to FortiPAM version 1.2.1 or above Please upgrade to FortiPAM version 1.1.3 or above Please upgrade to FortiProxy version 7.4.3 or above Please upgrade to FortiProxy version 7.2.9 or above Please upgrade to FortiProxy version 7.0.16 or above
Advisories and patches
The CVE record links no vendor advisory, patch or mitigation.
Linked from CISA's catalog entry
Affected products and versions
As listed in the CVE record.
| Status | Versions |
|---|---|
| Affected | 7.2.0 through 7.2.3 |
| Affected | 7.0.0 through 7.0.3 |
Versions not listed are: unaffected.
| Status | Versions |
|---|---|
| Affected | 7.4.0 through 7.4.2 |
| Affected | 7.2.0 through 7.2.6 |
| Affected | 7.0.0 through 7.0.13 |
Versions not listed are: unaffected.
| Status | Versions |
|---|---|
| Affected | 1.2.0 |
| Affected | 1.1.0 through 1.1.2 |
| Affected | 1.0.0 through 1.0.3 |
Versions not listed are: unaffected.
| Status | Versions |
|---|---|
| Affected | 7.4.0 through 7.4.2 |
| Affected | 7.2.0 through 7.2.8 |
| Affected | 7.0.0 through 7.0.15 |
Versions not listed are: unaffected.
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
About this vulnerability
Fortinet FortiOS, FortiPAM, FortiProxy, and FortiWeb contain a format string vulnerability that allows a remote, unauthenticated attacker to execute arbitrary code or commands via specially crafted requests.
Summary: CISA's KEV catalog, as of 28 Oct 2026.
- CISA added CVE-2024-23113 to its Known Exploited Vulnerabilities (KEV) catalog on 9 Oct 2024.
- CISA's ransomware flag for this entry is "Unknown": no evidence of ransomware use in the catalog, which is not proof of none.
- The due date CISA sets for the required action is 30 Oct 2024.
- The CVE record was published on 15 Feb 2024, 237 days before it was added to KEV.
- The CVE record carries a CVSS v3.1 base score of 9.8 (Critical), given by its CNA.
- FIRST's EPSS model puts the probability of exploitation in the next 30 days at 61.7% (percentile 99.2), as of 28 Oct 2026.
- CISA's SSVC assessment in the CVE record: exploitation active, automatable yes, technical impact total.
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026. About the data.
Description
A use of externally-controlled format string in Fortinet FortiOS versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.6, 7.0.0 through 7.0.13, FortiProxy versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.8, 7.0.0 through 7.0.14, FortiPAM versions 1.2.0, 1.1.0 through 1.1.2, 1.0.0 through 1.0.3, FortiSwitchManager versions 7.2.0 through 7.2.3, 7.0.0 through 7.0.3 allows attacker to execute unauthorized code or commands via specially crafted packets.
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
Weakness
CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record and the KEV entry.
Timeline
| Date | Event |
|---|---|
| 15 Feb 2024 | CVE record published |
| 9 Oct 2024 | Added to CISA KEV |
| 30 Oct 2024 | CISA due date for the required action |
| 21 Oct 2025 | CVE record last updated |
References
More exploited Fortinet vulnerabilities
- CVE-2025-61624: Fortinet Multiple Products Path Traversal Vulnerability
- CVE-2026-104286: Fortinet FortiMail Path Traversal Vulnerability
- CVE-2025-25249: Fortinet Multiple Products Heap-based Buffer Overflow Vulnerability
- CVE-2025-68686: Fortinet FortiOS Exposure of Sensitive Information to an Unauthorized Actor Vulnerability
- CVE-2026-25089: Fortinet FortiSandbox OS Command Injection Vulnerability
- CVE-2026-39808: Fortinet FortiSandbox OS Command Injection Vulnerability