CVE-2015-5290

A Denial of Service vulnerability exists in ircd-ratbox 3.0.9 in the MONITOR Command Handler.

Published: 2019-12-26 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-5290 is rated Moderate Risk (53/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.53%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2015-5290

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-04-25 0.55% 0.53% -0.02%
2 2025-03-30 1.07% 0.55% -0.52%
3 2025-03-29 — 1.07% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-5290

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2015-5290

OS Trackers for CVE-2015-5290

vendor priority summary link
ubuntu medium CVE-2015-5290 medium priority: Ubuntu including 2 source packages (charybdis, ircd-ratbox), 24 status rows across 12 suites (artful, bionic, cosmic, disco, precise, trusty, upstream, vivid, wily, xenial, yakkety, zesty): ignored 9, DNE 8, not-affected 4, released 2, needed 1. https://ubuntu.com/security/CVE-2015-5290

Affected software / configurations for CVE-2015-5290

Vendor Product Version Raw CPE
ratbox ircd-ratbox 3.0.9 cpe:2.3:a:ratbox:ircd-ratbox:3.0.9:*:*:*:*:*:*:*

References for CVE-2015-5290

URL Tags
http://www.openwall.com/lists/oss-security/2015/10/11/1 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/10/12/1 Mailing List Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1271113 Issue Tracking Third Party Advisory
https://github.com/skyhighwings/CVE-2015-5290 Broken Link Third Party Advisory
cvelogic Threat Intelligence