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CVE-2009-3051

22
FAUCET Score

CVE-2009-3051 describes multiple format string vulnerabilities in the SILC Toolkit (before 1.1.10) and SILC Client (before 1.1.8). These flaws, located in client_entry.c, allow remote attackers to execute arbitrary code by injecting format string specifiers into a nickname field. With a CVSS score of 7.5, this vulnerability is considered highly severe due to its network-based attack vector, low attack complexity, and potential for partial compromise of confidentiality, integrity, and availability. 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
<= 1.1.7CPE matchmatch criteria
cpe:2.3:a:silcnet:silc_client:*:*:*:*:*:*:*:*
1.1.1CPE matchmatch criteria
cpe:2.3:a:silcnet:silc_client:1.1.1:*:*:*:*:*:*:*
1.1.2CPE matchmatch criteria
cpe:2.3:a:silcnet:silc_client:1.1.2:*:*:*:*:*:*:*
1.1.3CPE matchmatch criteria
cpe:2.3:a:silcnet:silc_client:1.1.3:*:*:*:*:*:*:*
1.1.4CPE matchmatch criteria
cpe:2.3:a:silcnet:silc_client:1.1.4:*:*:*:*:*:*:*

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
4.83%
Probability of exploitation in next 30 days
EPSS Percentile
91.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0483 is in the 84th percentile among its peer group of 51,455 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

Patch Available

Vendor Patches (1)

debianpatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2009-3051Important

libsilc: multiple format string issues in handling of client entry (CVE-2009-3051) and channel name (CVE-2009-3163)

Jul 31, 2009

References

lists.opensuse.org / opensuse-security-announce/2009-10/msg00001.html
secunia.com / advisories/36134
Vendor Advisory
secunia.com / advisories/36614
Vendor Advisory
silcnet.org / docs/changelog/SILC%20Client%201.1.8
Vendor Advisory
silcnet.org / docs/changelog/SILC%20Toolkit%201.1.10
Vendor Advisory
silcnet.org / docs/release/SILC%20Client%201.1.8
Vendor Advisory
silcnet.org / general/news/news_client.php
PatchVendor Advisory
silcnet.org / general/news/news_toolkit.php
PatchVendor Advisory
debian.org / security/2009/dsa-1879
Patch
mandriva.com / security/advisories
mandriva.com / security/advisories
openwall.com / lists/oss-security/2009/08/31/5
openwall.com / lists/oss-security/2009/09/03/5
securityfocus.com / bid/35940
Patch
vupen.com / english/advisories/2009/2150
PatchVendor Advisory