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CVE-2015-5299

21
FAUCET Score

CVE-2015-5299 describes an access control bypass vulnerability in Samba versions 3.x, 4.1.x, 4.2.x, and 4.3.x, specifically within the shadow_copy2_get_shadow_copy_data function. This flaw allows unauthenticated remote attackers to access snapshots by directly visiting a shadow copy directory, bypassing the required DIRECTORY_LIST access right. Rated as Medium severity (CVSS 5.3), the vulnerability has a low impact on confidentiality with no integrity or availability impact, and does not require user interaction. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage for this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.0.20, < 4.1.22CPE matchmatch criteria
cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*
>= 4.2.0, < 4.2.7CPE matchmatch criteria
cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*
>= 4.3.0, < 4.3.3CPE matchmatch criteria
cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
13.58%
Probability of exploitation in next 30 days
EPSS Percentile
96.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.1358 is in the 95th percentile among its peer group of 23,705 CVEs.

Social Chatter

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

Patch Available

Vendor Patches (6)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: samba4-0:4.0.0-67.el6_7.rc4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: samba-0:3.6.23-24.el6_7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: samba-0:4.2.3-11.el7_2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Gluster Storage 3.1 for RHEL 6Fixed in: samba-0:4.1.17-16.el6rhs
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Gluster Storage 3.1 for RHEL 7Fixed in: samba-0:4.2.4-9.1.el7rhgs
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: samba3x

Vendor Advisories (1)

redhatCVE-2015-5299Moderate

Samba: Missing access control check in shadow copy code

Dec 16, 2015

References

lists.fedoraproject.org / pipermail/package-announce/2015-December/174076.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / pipermail/package-announce/2015-December/174391.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2015-12/msg00019.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2015-12/msg00020.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2015-12/msg00032.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2015-12/msg00033.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2016-01/msg00002.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2016-01/msg00017.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2016-04/msg00042.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2016-04/msg00047.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2016-04/msg00048.html
Mailing ListThird Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
git.samba.org
h20566.www2.hpe.com / portal/site/hpsc/public/kb/docDisplay
Third Party Advisory
security.gentoo.org / glsa/201612-47
Third Party Advisory
samba.org / samba/security/CVE-2015-5299.html
Vendor Advisory
debian.org / security/2016/dsa-3433
Third Party Advisory
oracle.com / technetwork/topics/security/bulletinjan2016-2867206.html
Third Party Advisory
oracle.com / technetwork/topics/security/linuxbulletinjan2016-2867209.html
Third Party Advisory
securityfocus.com / bid/79729
Third Party AdvisoryVDB Entry
securitytracker.com / id/1034493
Third Party AdvisoryVDB Entry
ubuntu.com / usn/USN-2855-1
Third Party Advisory
ubuntu.com / usn/USN-2855-2
Third Party Advisory