SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2007-3537

IBM OS/400 (aka i5/OS) V4R2M0 through V5R3M0 on iSeries machines sends responses to TCP SYN-FIN packets, which allows remote attackers to obtain system information and possibly bypass firewall rules.

HIGH 7.8EPSS 1.50%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.50%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

IBM OS/400 (aka i5/OS) V4R2M0 through V5R3M0 on iSeries machines sends responses to TCP SYN-FIN packets, which allows remote attackers to obtain system information and possibly bypass firewall rules.

CVSS 2.0
7.8 HIGHAV:N/AC:L/Au:N/C:C/I:N/A:N
EPSS
1.50% probability · 73th percentile
CISA KEV
Not listed
Affected
ibm/os 400
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.