CVE-2017-10993

Contao before 3.5.28 and 4.x before 4.4.1 allows remote attackers to include and execute arbitrary local PHP files via a crafted parameter in a URL, aka Directory Traversal.

Published: 2017-07-21 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2017-10993 is rated Moderate Risk (63.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.96%). EPSS rose +1.14% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

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

Exploit prediction scoring system (EPSS) score for CVE-2017-10993

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 2026-06-15 0.83% 1.96% +1.14%
2 2025-03-30 1.66% 0.83% -0.83%
3 2025-03-29 — 1.66% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2017-10993

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.8 3.0 HIGH
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 5.9 [email protected]
6.5 2.0 MEDIUM
AV:N/AC:L/Au:S/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:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.0 6.4 [email protected]

Weakness enumeration for CVE-2017-10993

GitHub Security Advisory for CVE-2017-10993

GHSA-x5g4-crxq-qxjx · Severity: high · Ecosystem: composer — Contao Core directory traversal vulnerability

Affected software / configurations for CVE-2017-10993

Vendor Product Version Raw CPE
contao contao_cms <= 3.5.27 cpe:2.3:a:contao:contao_cms:*:*:*:*:*:*:*:*
contao contao_cms 4.0.0 cpe:2.3:a:contao:contao_cms:4.0.0:*:*:*:*:*:*:*
contao contao_cms 4.0.0 cpe:2.3:a:contao:contao_cms:4.0.0:beta1:*:*:*:*:*:*
contao contao_cms 4.0.0 cpe:2.3:a:contao:contao_cms:4.0.0:rc1:*:*:*:*:*:*
contao contao_cms 4.0.1 cpe:2.3:a:contao:contao_cms:4.0.1:*:*:*:*:*:*:*
contao contao_cms 4.0.2 cpe:2.3:a:contao:contao_cms:4.0.2:*:*:*:*:*:*:*
contao contao_cms 4.0.3 cpe:2.3:a:contao:contao_cms:4.0.3:*:*:*:*:*:*:*
contao contao_cms 4.0.4 cpe:2.3:a:contao:contao_cms:4.0.4:*:*:*:*:*:*:*
contao contao_cms 4.1.0 cpe:2.3:a:contao:contao_cms:4.1.0:*:*:*:*:*:*:*
contao contao_cms 4.1.0 cpe:2.3:a:contao:contao_cms:4.1.0:beta1:*:*:*:*:*:*
contao contao_cms 4.1.0 cpe:2.3:a:contao:contao_cms:4.1.0:rc1:*:*:*:*:*:*
contao contao_cms 4.1.1 cpe:2.3:a:contao:contao_cms:4.1.1:*:*:*:*:*:*:*
contao contao_cms 4.1.2 cpe:2.3:a:contao:contao_cms:4.1.2:*:*:*:*:*:*:*
contao contao_cms 4.1.3 cpe:2.3:a:contao:contao_cms:4.1.3:*:*:*:*:*:*:*
contao contao_cms 4.2.0 cpe:2.3:a:contao:contao_cms:4.2.0:*:*:*:*:*:*:*
contao contao_cms 4.2.0 cpe:2.3:a:contao:contao_cms:4.2.0:beta1:*:*:*:*:*:*
contao contao_cms 4.2.0 cpe:2.3:a:contao:contao_cms:4.2.0:rc1:*:*:*:*:*:*
contao contao_cms 4.2.1 cpe:2.3:a:contao:contao_cms:4.2.1:*:*:*:*:*:*:*
contao contao_cms 4.2.2 cpe:2.3:a:contao:contao_cms:4.2.2:*:*:*:*:*:*:*
contao contao_cms 4.2.3 cpe:2.3:a:contao:contao_cms:4.2.3:*:*:*:*:*:*:*
contao contao_cms 4.2.4 cpe:2.3:a:contao:contao_cms:4.2.4:*:*:*:*:*:*:*
contao contao_cms 4.2.5 cpe:2.3:a:contao:contao_cms:4.2.5:*:*:*:*:*:*:*
contao contao_cms 4.3.0 cpe:2.3:a:contao:contao_cms:4.3.0:*:*:*:*:*:*:*
contao contao_cms 4.3.0 cpe:2.3:a:contao:contao_cms:4.3.0:rc1:*:*:*:*:*:*
contao contao_cms 4.3.1 cpe:2.3:a:contao:contao_cms:4.3.1:*:*:*:*:*:*:*
contao contao_cms 4.3.2 cpe:2.3:a:contao:contao_cms:4.3.2:*:*:*:*:*:*:*
contao contao_cms 4.3.3 cpe:2.3:a:contao:contao_cms:4.3.3:*:*:*:*:*:*:*
contao contao_cms 4.3.5 cpe:2.3:a:contao:contao_cms:4.3.5:*:*:*:*:*:*:*
contao contao_cms 4.3.6 cpe:2.3:a:contao:contao_cms:4.3.6:*:*:*:*:*:*:*
contao contao_cms 4.3.7 cpe:2.3:a:contao:contao_cms:4.3.7:*:*:*:*:*:*:*
contao contao_cms 4.3.8 cpe:2.3:a:contao:contao_cms:4.3.8:*:*:*:*:*:*:*
contao contao_cms 4.3.9 cpe:2.3:a:contao:contao_cms:4.3.9:*:*:*:*:*:*:*
contao contao_cms 4.3.10 cpe:2.3:a:contao:contao_cms:4.3.10:*:*:*:*:*:*:*
contao contao_cms 4.3.11 cpe:2.3:a:contao:contao_cms:4.3.11:*:*:*:*:*:*:*
contao contao_cms 4.4.0 cpe:2.3:a:contao:contao_cms:4.4.0:*:*:*:*:*:*:*
contao contao_cms 4.4.0 cpe:2.3:a:contao:contao_cms:4.4.0:beta1:*:*:*:*:*:*
contao contao_cms 4.4.0 cpe:2.3:a:contao:contao_cms:4.4.0:rc1:*:*:*:*:*:*
contao contao_cms 4.4.0 cpe:2.3:a:contao:contao_cms:4.4.0:rc2:*:*:*:*:*:*

References for CVE-2017-10993

cvelogic Threat Intelligence