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-2007-3537

20
FAUCET Score

CVE-2007-3537 describes a vulnerability in IBM OS/400 (i5/OS) versions V4R2M0 through V5R3M0 on iSeries machines, where the system responds to TCP SYN-FIN packets. This behavior allows remote attackers to gather system information and potentially circumvent firewall rules. With a CVSS score of 7.8, this vulnerability is considered highly severe due to its network-based attack vector, low attack complexity, and complete confidentiality impact. There is no evidence of active exploitation, and no public exploit code is available on platforms like Metasploit or ExploitDB, nor has it garnered significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
r520CPE matchmatch criteria
cpe:2.3:o:ibm:os_400:r520:*:*:*:*:*:*:*
v4r2m0CPE matchmatch criteria
cpe:2.3:o:ibm:os_400:v4r2m0:*:*:*:*:*:*:*
v4r3CPE matchmatch criteria
cpe:2.3:o:ibm:os_400:v4r3:*:*:*:*:*:*:*
v4r4CPE matchmatch criteria
cpe:2.3:o:ibm:os_400:v4r4:*:*:*:*:*:*:*
v4r5CPE matchmatch criteria
cpe:2.3:o:ibm:os_400:v4r5:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.8HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.50%
Probability of exploitation in next 30 days
EPSS Percentile
71.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0150 is in the 53rd 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

osvdb.org / 37792
secunia.com / advisories/25885
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/35173
www-1.ibm.com / support/docview.wss
securityfocus.com / bid/24706