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-2001-1398

20
FAUCET Score

CVE-2001-1398 describes a vulnerability in the Linux kernel's masquerading code (versions prior to 2.2.19) where insufficient packet length checks could lead to an unspecified security flaw. This high-severity vulnerability (CVSS 7.5) is network-exploitable with low attack complexity, potentially allowing an unauthenticated attacker to achieve partial confidentiality, integrity, and availability impacts. Despite its age, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.2.19CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

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
2.86%
Probability of exploitation in next 30 days
EPSS Percentile
85.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0286 is in the 74th percentile among its peer group of 51,506 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

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Linux 6.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 7.0
View patch

Vendor Advisories (1)

redhatCVE-2001-1398

security flaw

Mar 27, 2001

References

marc.info
marc.info
marc.info
marc.info
marc.info
marc.info
marc.info
debian.org / security/2001/dsa-047
linux.org.uk / VERSION/relnotes.2219.html
redhat.com / support/errata/RHSA-2001-047.html
PatchVendor Advisory