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CVE-2011-5325

28
FAUCET Score

CVE-2011-5325 describes a directory traversal vulnerability in BusyBox's tar utility (versions prior to 1.22.0 v5), allowing remote attackers to access files outside the intended directory via a symlink. This vulnerability carries a high severity CVSS score of 7.5, indicating a network-based attack with low complexity and a high impact on integrity. Despite its potential, there is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.21.1CPE matchmatch criteria
cpe:2.3:a:busybox:busybox:*:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
16.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
7.18%
Probability of exploitation in next 30 days
EPSS Percentile
93.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0718 is in the 89th percentile among its peer group of 51,485 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

Vendor Patches (3)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: busybox
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: busybox
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: busybox

Vendor Advisories (1)

redhatCVE-2011-5325Moderate

busybox: Path traversal via crafted tar file containing symlink

Oct 20, 2015

References

packetstormsecurity.com / files/153278/WAGO-852-Industrial-Managed-Switch-Series-Code-Execution-Hardcoded-Credentials.html
ExploitThird Party AdvisoryVDB Entry
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
seclists.org / fulldisclosure/2019/Jun/18
ExploitMailing ListThird Party Advisory
seclists.org / fulldisclosure/2020/Aug/20
ExploitMailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2018/07/msg00037.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2021/02/msg00020.html
Mailing ListThird Party Advisory
seclists.org / bugtraq/2019/Jun/14
ExploitMailing ListThird Party Advisory
usn.ubuntu.com / 3935-1
Third Party Advisory
openwall.com / lists/oss-security/2015/10/21/7
Mailing ListThird Party Advisory