HOMEVULNERABILITIESCVE-2018-13982
HIGH

CVE-2018-13982

CWE-22Published: September 18, 2018· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

Smarty_Security::isTrustedResourceDir() in Smarty before 3.1.33 is prone to a path traversal vulnerability due to insufficient template code sanitization. This allows attackers controlling the executed template code to bypass the trusted directory security restriction and read arbitrary files.

NVD Source

Technical Analysis

CVE-2018-13982 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Vendors & Products

Debian1 product(s)
debian linux
smarty1 product(s)
smarty
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/sbaresearch/advisories/tree/public/2018/SBA-ADV-20180420-01_Smarty_Path_Traversal
PATCHhttps://github.com/smarty-php/smarty/commit/2e081a51b1effddb23f87952959139ac62654d50
PATCHhttps://github.com/smarty-php/smarty/commit/8d21f38dc35c4cd6b31c2f23fc9b8e5adbc56dfe
PATCHhttps://github.com/smarty-php/smarty/commit/bcedfd6b58bed4a7366336979ebaa5a240581531
PATCHhttps://github.com/smarty-php/smarty/commit/c9dbe1d08c081912d02bd851d1d1b6388f6133d1
PATCHhttps://github.com/smarty-php/smarty/commit/f9ca3c63d1250bb56b2bda609dcc9dd81f0065f8
PATCHhttps://github.com/sbaresearch/advisories/tree/public/2018/SBA-ADV-20180420-01_Smarty_Path_Traversal
PATCHhttps://github.com/smarty-php/smarty/commit/2e081a51b1effddb23f87952959139ac62654d50
PATCHhttps://github.com/smarty-php/smarty/commit/8d21f38dc35c4cd6b31c2f23fc9b8e5adbc56dfe
PATCHhttps://github.com/smarty-php/smarty/commit/bcedfd6b58bed4a7366336979ebaa5a240581531
PATCHhttps://github.com/smarty-php/smarty/commit/c9dbe1d08c081912d02bd851d1d1b6388f6133d1
PATCHhttps://github.com/smarty-php/smarty/commit/f9ca3c63d1250bb56b2bda609dcc9dd81f0065f8
ADVISORYhttps://lists.debian.org/debian-lts-announce/2021/04/msg00004.html
ADVISORYhttps://lists.debian.org/debian-lts-announce/2021/04/msg00014.html
ADVISORYhttps://lists.debian.org/debian-lts-announce/2021/10/msg00015.html
ADVISORYhttps://lists.debian.org/debian-lts-announce/2021/04/msg00004.html
ADVISORYhttps://lists.debian.org/debian-lts-announce/2021/04/msg00014.html
ADVISORYhttps://lists.debian.org/debian-lts-announce/2021/10/msg00015.html

All References (18)

→
https://github.com/sbaresearch/advisories/tree/public/2018/SBA-ADV-20180420-01_Smarty_Path_TraversalExploit · Patch · Third Party Advisory
→
https://github.com/smarty-php/smarty/commit/2e081a51b1effddb23f87952959139ac62654d50Patch · Vendor Advisory
→
https://github.com/smarty-php/smarty/commit/8d21f38dc35c4cd6b31c2f23fc9b8e5adbc56dfePatch · Vendor Advisory
→
https://github.com/smarty-php/smarty/commit/bcedfd6b58bed4a7366336979ebaa5a240581531Patch · Vendor Advisory
→
https://github.com/smarty-php/smarty/commit/c9dbe1d08c081912d02bd851d1d1b6388f6133d1Patch · Vendor Advisory
→
https://github.com/smarty-php/smarty/commit/f9ca3c63d1250bb56b2bda609dcc9dd81f0065f8Patch · Vendor Advisory
→
https://lists.debian.org/debian-lts-announce/2021/04/msg00004.htmlMailing List · Third Party Advisory
→
https://lists.debian.org/debian-lts-announce/2021/04/msg00014.htmlMailing List · Third Party Advisory
→
https://lists.debian.org/debian-lts-announce/2021/10/msg00015.htmlMailing List · Third Party Advisory
→
https://github.com/sbaresearch/advisories/tree/public/2018/SBA-ADV-20180420-01_Smarty_Path_TraversalExploit · Patch · Third Party Advisory
→
https://github.com/smarty-php/smarty/commit/2e081a51b1effddb23f87952959139ac62654d50Patch · Vendor Advisory
→
https://github.com/smarty-php/smarty/commit/8d21f38dc35c4cd6b31c2f23fc9b8e5adbc56dfePatch · Vendor Advisory
→
https://github.com/smarty-php/smarty/commit/bcedfd6b58bed4a7366336979ebaa5a240581531Patch · Vendor Advisory
→
https://github.com/smarty-php/smarty/commit/c9dbe1d08c081912d02bd851d1d1b6388f6133d1Patch · Vendor Advisory
→
https://github.com/smarty-php/smarty/commit/f9ca3c63d1250bb56b2bda609dcc9dd81f0065f8Patch · Vendor Advisory

Quick Facts

CVE IDCVE-2018-13982
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-22
CISA KEVNo
Affected2 vendor(s)
PublishedSep 18, 2018

Related CVEs (CWE-22)

CVE-2007-5364
10.0
CVE-2025-58321
10.0
CVE-2025-69770
10.0
CVE-2026-54917
10.0
CVE-2025-54261
10.0
CVE-2008-0405
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2018-13982 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
← All Vulnerabilities·Search for CVE-2018-13982·NVD