CVE-1999-0455

Exp

The Expression Evaluator sample application in ColdFusion allows remote attackers to read or delete files on the server via exprcalc.cfm, which does not restrict access to the server properly.

Published: 1999-12-25 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-1999-0455 is rated High Exploit Risk (73.5/100): CVSS High severity, with high exploitation likelihood (EPSS 5.48%, 92th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-1999-0455

EDB-ID Source Kind Published Link
19093 exploit_db edb 1998-12-25 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-1999-0455

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 9.13% 5.48% -3.65%
2 2025-03-30 9.90% 9.13% -0.77%
3 2025-03-29 — 9.90% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-1999-0455

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-1999-0455

Affected software / configurations for CVE-1999-0455

Vendor Product Version Raw CPE
allaire coldfusion_server 4.0 cpe:2.3:a:allaire:coldfusion_server:4.0:*:*:*:*:*:*:*

References for CVE-1999-0455

URL Tags
http://www.securityfocus.com/bid/115 Vendor Advisory
cvelogic Threat Intelligence