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CVE-2010-4523

22
FAUCET Score

CVE-2010-4523 describes multiple stack-based buffer overflows in libopensc, affecting OpenSC 0.11.13 and earlier versions. An attacker can exploit this vulnerability by providing a long serial-number field on a smart card, specifically targeting card-acos5.c, card-atrust-acos.c, and card-starcos.c. This vulnerability has a CVSS score of 7.2, indicating high severity, as it allows for arbitrary code execution with full confidentiality, integrity, and availability impact, requiring physical proximity to the affected system. 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
<= 0.11.13CPE matchmatch criteria
cpe:2.3:a:opensc-project:opensc:*:*:*:*:*:*:*:*
0.3.2CPE matchmatch criteria
cpe:2.3:a:opensc-project:opensc:0.3.2:*:*:*:*:*:*:*
0.3.5CPE matchmatch criteria
cpe:2.3:a:opensc-project:opensc:0.3.5:*:*:*:*:*:*:*
0.4.0CPE matchmatch criteria
cpe:2.3:a:opensc-project:opensc:0.4.0:*:*:*:*:*:*:*
0.5.0CPE matchmatch criteria
cpe:2.3:a:opensc-project:opensc:0.5.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.2HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.86%
Probability of exploitation in next 30 days
EPSS Percentile
54.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0086 is in the 74th percentile among its peer group of 3,241 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.5 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)

redhatpatch availablevia nvd_reference
View patch

References

bugs.debian.org / cgi-bin/bugreport.cgi
ExploitPatch
labs.mwrinfosecurity.com / files/Advisories/mwri_opensc-get-serial-buffer-overflow_2010-12-13.pdf
ExploitPatch
lists.fedoraproject.org / pipermail/package-announce/2011-January/052777.html
lists.fedoraproject.org / pipermail/package-announce/2011-January/052796.html
lists.opensuse.org / opensuse-security-announce/2011-01/msg00006.html
openwall.com / lists/oss-security/2010/12/21/2
ExploitPatch
openwall.com / lists/oss-security/2010/12/22/3
ExploitPatch
bugs.launchpad.net / ubuntu/+source/opensc/+bug/692483
Patch
bugzilla.redhat.com / show_bug.cgi
ExploitPatch
secunia.com / advisories/42658
Vendor Advisory
secunia.com / advisories/42807
Vendor Advisory
secunia.com / advisories/43068
opensc-project.org / opensc/changeset/4913
Patch
h-online.com / open/news/item/When-a-smart-card-can-root-your-computer-1154829.html
Patch
mandriva.com / security/advisories
securityfocus.com / bid/45435
vupen.com / english/advisories/2011/0009
Vendor Advisory
vupen.com / english/advisories/2011/0109
vupen.com / english/advisories/2011/0212