CVE-2018-16831: smarty Path Traversal
CVSS: 7.1v2.0HighModified
AliasesUBUNTU-CVE-2018-16831DEBIAN-CVE-2018-16831
Published 11-09-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-16831 is a high (CVSS 7.1) Path Traversal vulnerability in smarty. EPSS estimates a 2.66% chance of exploitation in the next 30 days, higher than 85.5% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.1/10
010
High · v2.0 (NVD)EPSS score
2.66%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Advisory lineage
Upstream 0 · Downstream 3 · Related 1Timeline
- 11-09-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
Smarty before 3.1.33-dev-4 allows attackers to bypass the trusted_dir protection mechanism via a file:./../ substring in an include statement.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 5.9Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:NSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated5.9MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated5.9MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
High 7.1Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:C/I:N/A:NSourcesSingle source
EPSS trend
Probability
2.66%
Chance of exploitation in the next 30 days
Percentile
86%
Versus all other CVEs
30-day change
0.00 pp
From 2.66% on 19-09-2026
19-09-202619-10-2026
EPSS score2.66%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundSmarty
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Debian1 product
- smarty3< 3.1.33+20180830.1.3a78a21f+selfpack1-1
Smarty1 product
- smarty≥ 3.0.0, ≤ 3.1.32
Ubuntu1 product
- smarty3< 3.1.31+20161214.1.c7d42e4+selfpack1-3ubuntu0.1
3 vendors · 3 products
