CVE-2007-4411 — ircu 2.10.12.05 and earlier allows remote attackers to discover the hidden IP address of arbitrary +x users via a series of /silence commands with (1) CIDR mask arguments or (2) certain other arguments that represent groups of IP addresses, then monitoring CTCP ping replies

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MEDIUM

ircu 2.10.12.05 and earlier allows remote attackers to discover the hidden IP address of arbitrary +x users via a series of /silence commands with (1) CIDR mask arguments or (2) certain other arguments that represent groups of IP addresses, then monitoring CTCP ping replies

Published Aug 18, 2007

4.3

MEDIUM

CVSS 2.0

EPSS 1.18%

Description

ircu 2.10.12.05 and earlier allows remote attackers to discover the hidden IP address of arbitrary +x users via a series of /silence commands with (1) CIDR mask arguments or (2) certain other arguments that represent groups of IP addresses, then monitoring CTCP ping replies.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.18% 0.01183

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01183

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (14 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	1.18% (0.01183)	66.64th	v5 (v2026.06.15)
Jun 15, 2026	1.18% (0.01183)	63.60th	v5 (v2026.06.15)
Mar 17, 2025	0.32% (0.00319)	52.75th	v4 (v2025.03.14)
Dec 12, 2024	0.45% (0.00453)	75.99th	v3 (v2023.03.01)
Jun 21, 2024	0.45% (0.00453)	75.31th	v3 (v2023.03.01)
May 14, 2024	0.43% (0.00426)	74.22th	v3 (v2023.03.01)
Feb 28, 2024	0.41% (0.00406)	73.16th	v3 (v2023.03.01)
Feb 8, 2024	0.39% (0.00389)	72.56th	v3 (v2023.03.01)
Dec 13, 2023	0.39% (0.00389)	70.32th	v3 (v2023.03.01)
Mar 7, 2023	0.37% (0.00370)	68.30th	v3 (v2023.03.01)
Mar 6, 2023	1.21% (0.01213)	66.61th	v2 (v2022.01.01)
Feb 17, 2023	1.21% (0.01213)	66.22th	v2 (v2022.01.01)
Apr 1, 2022	1.21% (0.01213)	64.21th	v2 (v2022.01.01)
Feb 4, 2022	1.21% (0.01213)	40.54th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (4)

http://securityreason.com/securityalert/3031
third-party-advisoryx_refsource_SREASON
http://www.securityfocus.com/archive/1/476285/100/0/threaded
mailing-listx_refsource_BUGTRAQ
http://www.securityfocus.com/bid/25285
vdb-entryx_refsource_BIDExploit
https://exchange.xforce.ibmcloud.com/vulnerabilities/35997
vdb-entryx_refsource_XF

Link	Providers	Tags
http://securityreason.com/securityalert/3031		third-party-advisoryx_refsource_SREASON
http://www.securityfocus.com/archive/1/476285/100/0/threaded		mailing-listx_refsource_BUGTRAQ
http://www.securityfocus.com/bid/25285		vdb-entryx_refsource_BIDExploit
https://exchange.xforce.ibmcloud.com/vulnerabilities/35997		vdb-entryx_refsource_XF

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Aug 18, 2007

Updated Aug 7, 2024

Reserved Aug 18, 2007

Link CVE-2007-4411

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2007-4411

Red Hat

Severity n/a

Public date n/a

Links CVE-2007-4411