Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2018-20658

38
FAUCET Score

CVE-2018-20658 describes a denial-of-service vulnerability in Core FTP 2.0 build 653 on 32-bit platforms, where a crafted XRMD command can crash the server daemon. This high-severity vulnerability (CVSS 7.5) is easily exploitable over the network with low complexity and no user interaction, leading to a complete loss of availability. While not currently on the KEV catalog or experiencing widespread community discussion, proof-of-concept exploit code is publicly available on ExploitDB.

Impacted Technologies

VendorProductVersion(s)CPE
2.0CPE matchmatch criteria
cpe:2.3:a:coreftp:core_ftp:2.0:*:*:*:*:*:x86:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
8.49%
Probability of exploitation in next 30 days
EPSS Percentile
94.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-45091 · Jul 26, 2018
This CVE's current EPSS score of 0.0849 is in the 91st percentile among its peer group of 51,485 CVEs.

Social Chatter

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

coreftp.com / forums/viewtopic.php
Third Party Advisory
exploit-db.com / exploits/45091
ExploitThird Party AdvisoryVDB Entry