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-2007-1497

16
FAUCET Score

CVE-2007-1497 describes a vulnerability in the nf_conntrack module of the Linux kernel (versions prior to 2.6.20.3) where fragmented IPv6 packets are not correctly handled during reassembly, potentially allowing remote attackers to bypass firewall rules. With a CVSS score of 5.0 (AV:N/AC:L/Au:N/C:P/I:N/A:N), this vulnerability is remotely exploitable with low attack complexity, primarily impacting confidentiality by enabling rule bypass. There is no evidence of active exploitation, public exploit code, or significant community discussion or media coverage surrounding this decade-old vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.6.20.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.02%
Probability of exploitation in next 30 days
EPSS Percentile
86.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0302 is in the 80th percentile among its peer group of 23,705 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, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: kernel-0:2.6.18-8.1.4.el5
View patch

Vendor Advisories (1)

redhatCVE-2007-1497Moderate

IPv6 fragments bypass in nf_conntrack netfilter code

Mar 7, 2007

References

secunia.com / advisories/24492
PatchVendor Advisory
secunia.com / advisories/25228
secunia.com / advisories/25288
secunia.com / advisories/25392
secunia.com / advisories/25961
secunia.com / advisories/26620
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10457
debian.org / security/2007/dsa-1289
kernel.org / pub/linux/kernel/v2.6/ChangeLog-2.6.20.3
mandriva.com / security/advisories
mandriva.com / security/advisories
novell.com / linux/security/advisories/2007_43_kernel.html
osvdb.org / 33028
redhat.com / support/errata/RHSA-2007-0347.html
securityfocus.com / bid/23976
ubuntu.com / usn/usn-464-1
vupen.com / english/advisories/2007/0944