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CVE-2010-0300

15
FAUCET Score

CVE-2010-0300 describes a denial-of-service vulnerability in ircd-ratbox versions prior to 2.2.9. A remote attacker can trigger a NULL pointer dereference and daemon crash by sending a crafted HELP command. This vulnerability has a CVSS score of 5.0, indicating a medium severity with low attack complexity and no authentication required, leading to partial availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.2.8CPE matchmatch criteria
cpe:2.3:a:ircd-ratbox:ircd-ratbox:*:*:*:*:*:*:*:*
1.0CPE matchmatch criteria
cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.0:*:*:*:*:*:*:*
1.1CPE matchmatch criteria
cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.1:*:*:*:*:*:*:*
1.1.1CPE matchmatch criteria
cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.1.1:*:*:*:*:*:*:*
1.1.2CPE matchmatch criteria
cpe:2.3:a:ircd-ratbox:ircd-ratbox:1.1.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.25%
Probability of exploitation in next 30 days
EPSS Percentile
81.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0225 is in the 71st percentile among its peer group of 23,690 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, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2010-0300Critical

ircd-{hybrid,ratbox}: multiple vulnerabilities

Jan 27, 2010

References

lists.ratbox.org / pipermail/ircd-ratbox/2010-January/000891.html
secunia.com / advisories/38210
Vendor Advisory
secunia.com / advisories/38383
Vendor Advisory
security.debian.org / pool/updates/main/i/ircd-ratbox/ircd-ratbox_2.2.8.dfsg-2+lenny1.diff.gz
debian.org / security/2010/dsa-1980