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Servers and applications

CVE-2005-3058

Interpretation conflict in Fortinet FortiGate 2.8, running FortiOS 2.8MR10 and v3beta, allows remote attackers to bypass the URL blocker via an (1) HTTP request terminated with a line feed (LF) and not carriage return line feed (CRLF) or (2) HTTP request with no Host field, which is still processed by most web servers without violating RFC2616.

Severity
High 7.5
Published
31 Dec 2005
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
3.1% in the next 30 daysHigher than 87% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
CWE-264
Attack
Over the network · No login needed
Attacker can
Read some data · Change some data · Slow it down
CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Sources
NVD

Affected software

SoftwareAffected versions
Fortinet FortiOSServers and applications · cpe:o:fortinet:fortios
  • Every version up to 2.8_mr10
  • Every version up to 3_beta

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2005-3058
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2005-3058