SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2012-5642

server/action.py in Fail2ban before 0.8.8 does not properly handle the content of the matches tag, which might allow remote attackers to trigger unsafe behavior in a custom action file via unspecified symbols in this content.

HIGH 7.5EPSS 3.12%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (3.12%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

server/action.py in Fail2ban before 0.8.8 does not properly handle the content of the matches tag, which might allow remote attackers to trigger unsafe behavior in a custom action file via unspecified symbols in this content.

CVSS 2.0
7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS
3.12% probability · 87th percentile
CISA KEV
Not listed
Affected
fail2ban/fail2ban
Source
secalert@redhat.com

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