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CVE-2006-6306

10
FAUCET Score

CVE-2006-6306 is a format string vulnerability affecting Novell Modular Authentication Services (NMAS) within Novell Client 4.91 SP2 and SP3. An attacker with physical access can exploit this by entering format string specifiers in the logon window's Username field to read stack and memory contents. This vulnerability has a low severity CVSS score of 1.2, indicating a local attack vector with high access complexity and only a partial impact on confidentiality. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
4.91CPE matchmatch criteria
cpe:2.3:a:novell:client:4.91:sp2:*:*:*:*:*:*
4.91CPE matchmatch criteria
cpe:2.3:a:novell:client:4.91:sp3:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

1.2LOW

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

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
LOCAL
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
1.9
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.35%
Probability of exploitation in next 30 days
EPSS Percentile
27.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0035 is in the 57th percentile among its peer group of 747 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, 0.0 Bluesky, 0.0 Mastodon, and 0.2 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

Remediation records are not available for this CVE.

References

lists.grok.org.uk / pipermail/full-disclosure/2006-December/051038.html
Vendor Advisory
secunia.com / advisories/23363
securityreason.com / securityalert/1970
securitytracker.com / id
exchange.xforce.ibmcloud.com / vulnerabilities/30644
secure-support.novell.com / KanisaPlatform/Publishing/372/3546910_f.SAL_Public.html
support.novell.com / cgi-bin/search/searchtid.cgi
support.novell.com / cgi-bin/search/searchtid.cgi
layereddefense.com / Novell01DEC.html
Vendor Advisory
securityfocus.com / archive/1/453176/100/0/threaded
vupen.com / english/advisories/2006/4987