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CVE-2010-2075

84
FAUCET Score

CVE-2010-2075 describes a critical backdoor vulnerability in UnrealIRCd 3.2.8.1, specifically in versions distributed from November 2009 to June 2010 via certain mirror sites. This externally introduced modification allows remote attackers to execute arbitrary commands on affected systems. With a CVSS score of 7.5 and an EPSS score indicating high exploitability, this vulnerability poses a significant risk. Exploit code, including Metasploit modules, is publicly available, though there is no indication of active exploitation in the KEV catalog or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
3.2.8.1CPE matchmatch criteria
cpe:2.3:a:unrealircd:unrealircd:3.2.8.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
83.53%
Probability of exploitation in next 30 days
EPSS Percentile
99.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
Metasploit: UnrealIRCD 3.2.8.1 Backdoor Command Execution · Jun 12, 2010
ExploitDB: EDB-16922 · Dec 5, 2010
This CVE's current EPSS score of 0.8353 is in the 100th percentile among its peer group of 51,466 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

osvdb.org / 65445
seclists.org / fulldisclosure/2010/Jun/277
seclists.org / fulldisclosure/2010/Jun/284
secunia.com / advisories/40169
Vendor Advisory
security.gentoo.org / glsa/glsa-201006-21.xml
exploit-db.com / exploits/13853
openwall.com / lists/oss-security/2010/06/14/11
securityfocus.com / bid/40820
Exploit
unrealircd.com / txt/unrealsecadvisory.20100612.txt
Vendor Advisory
vupen.com / english/advisories/2010/1437
Vendor Advisory