CVE-2005-1837

CVE-2005-1837 is a high-severity vulnerability in Fortinet Fortinet Firewall with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Fortinet firewall running FortiOS 2.x contains a hardcoded username with the password set to the serial number, which allows local users with console access to gain privileges.

Frequently asked questions

What is CVE-2005-1837?
Fortinet firewall running FortiOS 2.x contains a hardcoded username with the password set to the serial number, which allows local users with console access to gain privileges.
How severe is CVE-2005-1837?
CVE-2005-1837 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2005-1837 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-1837?
CVE-2005-1837 affects Fortinet Fortinet Firewall. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2005-1837?
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-2005-1837 published?
CVE-2005-1837 was published on 2005-06-01 and last updated on 2026-06-16.

References

Affected products (1)