CVE-2010-2063

Exp

Buffer overflow in the SMB1 packet chaining implementation in the chain_reply function in process.c in smbd in Samba 3.0.x before 3.3.13 allows remote attackers to cause a denial of service (memory corruption and daemon crash) or possibly execute arbitrary code via a crafted field in a packet.

Published: 2010-06-17 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2010-2063 is rated High Exploit Risk (80.6/100): CVSS High severity, with high exploitation likelihood (EPSS 77.54%, 99th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2010-2063

EDB-ID Source Kind Published Link
16860 exploit_db edb 2010-09-04 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2010-2063

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-04-17 76.58% 77.54% +0.97%
2 2026-02-21 75.40% 76.58% +1.18%
3 2025-11-11 75.40%

Full EPSS history (20 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2010-2063

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 6.4 [email protected]

Weakness enumeration for CVE-2010-2063

OS Trackers for CVE-2010-2063

vendor priority summary link
debian high CVE-2010-2063 high priority: Debian including 1 source packages (samba), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2010-2063
gentoo high CVE-2010-2063: 1 GLSA(s) (201206-22), 1 atom(s) (net-fs/samba); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2010-2063
redhat critical https://access.redhat.com/security/cve/CVE-2010-2063
suse high CVE-2010-2063 severity important: SUSE including 636 source package names (cifs-mount-3.2.7-11.20.1, ctdb-4.10.5+git.129.35f7bb6e177-1.1, …), 1005 product×package rows across 32 product lines (SUSE Linux Enterprise Desktop 12, SUSE Linux Enterprise Desktop 12 SP1, … (32 product lines)): Fixed 1005. https://www.suse.com/security/cve/CVE-2010-2063/
ubuntu high CVE-2010-2063 high priority: Ubuntu including 1 source packages (samba), 6 status rows across 6 suites (dapper, hardy, jaunty, karmic, lucid, upstream): not-affected 3, released 3. https://ubuntu.com/security/CVE-2010-2063

Affected software / configurations for CVE-2010-2063

Vendor Product Version Raw CPE
samba samba >= 3.0.0, <= 3.3.12 cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*
canonical ubuntu_linux 6.06 cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:*:*:*:*
canonical ubuntu_linux 8.04 cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:-:*:*:*
canonical ubuntu_linux 9.04 cpe:2.3:o:canonical:ubuntu_linux:9.04:*:*:*:*:*:*:*
debian debian_linux 5.0 cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:*

References for CVE-2010-2063

URL Tags
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=873 Broken Link
http://lists.apple.com/archives/security-announce/2010//Aug/msg00003.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html Mailing List Third Party Advisory
http://marc.info/?l=bugtraq&m=129138831608422&w=2 Mailing List Third Party Advisory
http://marc.info/?l=bugtraq&m=130835366526620&w=2 Mailing List Third Party Advisory
http://marc.info/?l=samba-announce&m=127668712312761&w=2 Mailing List Patch Third Party Advisory
http://osvdb.org/65518 Broken Link
http://secunia.com/advisories/40145 Third Party Advisory
http://secunia.com/advisories/40210 Third Party Advisory
http://secunia.com/advisories/40221 Third Party Advisory
http://secunia.com/advisories/40293 Third Party Advisory
http://secunia.com/advisories/42319 Third Party Advisory
http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.471914 Mailing List Third Party Advisory
http://support.apple.com/kb/HT4312 Third Party Advisory
http://ubuntu.com/usn/usn-951-1 Third Party Advisory
http://www.debian.org/security/2010/dsa-2061 Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2010:119 Third Party Advisory
http://www.redhat.com/support/errata/RHSA-2010-0488.html Third Party Advisory
http://www.samba.org/samba/ftp/history/samba-3.3.13.html Vendor Advisory
http://www.samba.org/samba/ftp/patches/security/samba-3.0.37-CVE-2010-2063.patch Patch Vendor Advisory
http://www.samba.org/samba/ftp/patches/security/samba-3.3.12-CVE-2010-2063.patch Patch Vendor Advisory
http://www.samba.org/samba/security/CVE-2010-2063.html Vendor Advisory
http://www.securityfocus.com/bid/40884 Third Party Advisory VDB Entry
http://www.securitytracker.com/id?1024107 Third Party Advisory VDB Entry
http://www.vupen.com/english/advisories/2010/1486 Permissions Required
http://www.vupen.com/english/advisories/2010/1504 Permissions Required
http://www.vupen.com/english/advisories/2010/1505 Permissions Required
http://www.vupen.com/english/advisories/2010/1507 Permissions Required
http://www.vupen.com/english/advisories/2010/1517 Permissions Required
http://www.vupen.com/english/advisories/2010/3063 Permissions Required
https://exchange.xforce.ibmcloud.com/vulnerabilities/59481 Third Party Advisory VDB Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12427 Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7115 Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9859 Third Party Advisory
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