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CVE-1999-0455

30
FAUCET Score

CVE-1999-0455 describes a critical vulnerability in the Expression Evaluator sample application of Allaire ColdFusion Server, allowing remote attackers to read or delete arbitrary files on the server through the exprcalc.cfm script due to improper access restrictions. This vulnerability has a CVSS score of 7.5 (HIGH), indicating a network-exploitable flaw with low attack complexity and potential for partial confidentiality, integrity, and availability impacts. While not listed on CISA's KEV catalog, exploit code is publicly available on ExploitDB, demonstrating its feasibility, though there is no evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
4.0CPE matchmatch criteria
cpe:2.3:a:allaire:coldfusion_server:4.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
5.85%
Probability of exploitation in next 30 days
EPSS Percentile
92.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-19093 · Dec 25, 1998
This CVE's current EPSS score of 0.0585 is in the 87th percentile among its peer group of 51,485 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

securityfocus.com / bid/115
Vendor Advisory