How severe is CVE-2024-26015?

CVE-2024-26015 has a CVSS 3.x base score of 3.4, rated low severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2024-26015 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-26015?

CVE-2024-26015 primarily affects Fortinet Fortiproxy. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-26015?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-26015 have an EU (EUVD) identifier?

Yes. CVE-2024-26015 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-23311.

When was CVE-2024-26015 published?

CVE-2024-26015 was published on 2024-07-09 and last updated on 2026-06-17.

CVE-2024-26015

CVE-2024-26015 is a low-severity vulnerability in Fortinet Fortiproxy with a CVSS 3.x base score of 3.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-704.

Key facts

Severity: Low (CVSS 3.x base score 3.4)
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-23311
Weakness: CWE-704
Affected product: Fortinet Fortiproxy
Published: 2024-07-09
Last modified: 2026-06-17

Description

An incorrect parsing of numbers with different radices vulnerability [CWE-1389] in FortiProxy version 7.4.3 and below, version 7.2.10 and below, version 7.0.17 and below and FortiOS version 7.4.3 and below, version 7.2.8 and below, version 7.0.15 and below IP address validation feature may permit an unauthenticated attacker to bypass the IP blocklist via crafted requests.

Frequently asked questions

What is CVE-2024-26015?: An incorrect parsing of numbers with different radices vulnerability [CWE-1389] in FortiProxy version 7.4.3 and below, version 7.2.10 and below, version 7.0.17 and below and FortiOS version 7.4.3 and below, version 7.2.8 and below, version 7.0.15 and below IP address validation feature may permit an unauthenticated attacker to bypass the IP blocklist via crafted requests.
How severe is CVE-2024-26015?: CVE-2024-26015 has a CVSS 3.x base score of 3.4, rated low severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2024-26015 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-26015?: CVE-2024-26015 primarily affects Fortinet Fortiproxy. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-26015?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-26015 have an EU (EUVD) identifier?: Yes. CVE-2024-26015 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-23311.
When was CVE-2024-26015 published?: CVE-2024-26015 was published on 2024-07-09 and last updated on 2026-06-17.

References

https://fortiguard.fortinet.com/psirt/FG-IR-23-446

Affected products (2)

cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*

More vulnerabilities in Fortinet Fortiproxy

CVE-2026-24858 — Critical (CVSS 9.8): An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] vulnerability in Fortinet…
CVE-2025-59718 — Critical (CVSS 9.8): A improper verification of cryptographic signature vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0…
CVE-2025-22252 — Critical (CVSS 9.8): A missing authentication for critical function in Fortinet FortiProxy versions 7.6.0 through 7.6.1, FortiSwitchManager…
CVE-2023-25610 — Critical (CVSS 9.8): A buffer underwrite ('buffer underflow') vulnerability in the administrative interface of Fortinet FortiOS version…
CVE-2024-55591 — Critical (CVSS 9.8): An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] affecting FortiOS version 7.0.0…
CVE-2023-42789 — Critical (CVSS 9.8): A out-of-bounds write in Fortinet FortiOS 7.4.0 through 7.4.1, 7.2.0 through 7.2.5, 7.0.0 through 7.0.12, 6.4.0 through…

All CVEs affecting Fortinet Fortiproxy →

Other CWE-704 (Incorrect Type Conversion or Cast) vulnerabilities

CVE-2015-3120 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.302 and 14.x through 18.x before 18.0.0.203 on Windows and OS X and before…
CVE-2025-41648 — Critical (CVSS 9.8): An unauthenticated remote attacker can bypass the login to the web application of the affected devices making it…
CVE-2025-41646 — Critical (CVSS 9.8): An unauthorized remote attacker can bypass the authentication of the affected software package by misusing an incorrect…
CVE-2021-33318 — Critical (CVSS 9.8): An Input Validation Vulnerability exists in Joel Christner .NET C# packages WatsonWebserver, IpMatcher 1.0.4.1 and…
CVE-2020-25576 — Critical (CVSS 9.8): An issue was discovered in the rand_core crate before 0.4.2 for Rust. Casting of byte slices to integer slices…
CVE-2020-6151 — Critical (CVSS 9.8): A memory corruption vulnerability exists in the TIFF handle_COMPRESSION_PACKBITS functionality of Accusoft ImageGear…

Browse all CWE-704 (Incorrect Type Conversion or Cast) vulnerabilities →