CVE-2021-24013
CVE-2021-24013 is a high-severity vulnerability in Fortinet Fortimail with a CVSS 3.x base score of 8.8. 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-22.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 4.0
- EPSS exploit prediction: 1% (62nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-22
- Affected product: Fortinet Fortimail
- Published:
- Last modified:
Description
Multiple Path traversal vulnerabilities in the Webmail of FortiMail before 6.4.4 may allow a regular user to obtain unauthorized access to files and data via specifically crafted web requests.
Frequently asked questions
- What is CVE-2021-24013?
- Multiple Path traversal vulnerabilities in the Webmail of FortiMail before 6.4.4 may allow a regular user to obtain unauthorized access to files and data via specifically crafted web requests.
- How severe is CVE-2021-24013?
- CVE-2021-24013 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-24013 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-24013?
- CVE-2021-24013 affects Fortinet Fortimail. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-24013?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-24013 published?
- CVE-2021-24013 was published on 2021-07-12 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:fortinet:fortimail:*:*:*:*:*:*:*:*
More vulnerabilities in Fortinet Fortimail
- CVE-2025-32756 — Critical (CVSS 9.8): A stack-based buffer overflow vulnerability [CWE-121] vulnerability in Fortinet FortiCamera 2.1.0 through 2.1.3,…
- CVE-2023-47539 — Critical (CVSS 9.8): An improper access control vulnerability in FortiMail version 7.4.0 configured with RADIUS authentication and…
- CVE-2021-36166 — Critical (CVSS 9.8): An improper authentication vulnerability in FortiMail before 7.0.1 may allow a remote attacker to efficiently guess one…
- CVE-2021-24007 — Critical (CVSS 9.8): Multiple improper neutralization of special elements of SQL commands vulnerabilities in FortiMail before 6.4.4 may…
- CVE-2020-9294 — Critical (CVSS 9.8): An improper authentication vulnerability in FortiMail 5.4.10, 6.0.7, 6.2.2 and earlier and FortiVoiceEntreprise 6.0.0…
- CVE-2023-36556 — High (CVSS 8.8): An incorrect authorization vulnerability [CWE-863] in FortiMail webmail version 7.2.0 through 7.2.2, version 7.0.0…
All CVEs affecting Fortinet Fortimail →
Other CWE-22 (Path Traversal) vulnerabilities
- CVE-2026-48282 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Limitation of a Pathname to a Restricted…
- CVE-2026-54917 — Critical (CVSS 10.0): SeaweedFS is a distributed storage system for object storage (S3), file systems, and Iceberg tables. Prior to 4.30, the…
- CVE-2026-11429 — Critical (CVSS 10.0): Two endpoints in the Vault Service ScriptsController, shared by Altium Enterprise Server and Altium 365, accept file…
- CVE-2026-34909 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to…
- CVE-2026-7411 — Critical (CVSS 10.0): In Eclipse BaSyx Java Server SDK versions prior to 2.0.0-milestone-10, inadequate path normalization in the Submodel…
- CVE-2026-36767 — Critical (CVSS 10.0): A path traversal vulnerability in the /content/images/add endpoint of shopizer v3.2.5 allows attackers write arbitrary…