CVE-2017-1000139

Mahara 1.8 before 1.8.7 and 1.9 before 1.9.5 and 1.10 before 1.10.3 and 15.04 before 15.04.0 are vulnerable to server-side request forgery attacks as not all processes of curl redirects are checked against a white or black list. Employing SafeCurl will prevent issues.

Published: 2017-11-03 Last update: 2026-05-13 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2017-1000139 is rated Moderate Risk (46.3/100): CVSS High severity, with low exploitation likelihood (EPSS 0.22%). Mandatory action: 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-2017-1000139

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 2025-03-30 0.42% 0.22% -0.21%
2 2025-03-29 0.22% 0.42% +0.21%
3 2025-03-17 0.22%

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2017-1000139

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.0 3.0 HIGH
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/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:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
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.
2.1 5.9 [email protected]
6.0 2.0 MEDIUM
AV:N/AC:M/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:M)
Exploitation needs some favorable conditions, but not exceptional ones.
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.
6.8 6.4 [email protected]

Weakness enumeration for CVE-2017-1000139

Affected software / configurations for CVE-2017-1000139

Vendor Product Version Raw CPE
mahara mahara 1.8 cpe:2.3:a:mahara:mahara:1.8:rc1:*:*:*:*:*:*
mahara mahara 1.8 cpe:2.3:a:mahara:mahara:1.8:rc2:*:*:*:*:*:*
mahara mahara 1.8.0 cpe:2.3:a:mahara:mahara:1.8.0:*:*:*:*:*:*:*
mahara mahara 1.8.1 cpe:2.3:a:mahara:mahara:1.8.1:*:*:*:*:*:*:*
mahara mahara 1.8.2 cpe:2.3:a:mahara:mahara:1.8.2:*:*:*:*:*:*:*
mahara mahara 1.8.3 cpe:2.3:a:mahara:mahara:1.8.3:*:*:*:*:*:*:*
mahara mahara 1.8.4 cpe:2.3:a:mahara:mahara:1.8.4:*:*:*:*:*:*:*
mahara mahara 1.8.5 cpe:2.3:a:mahara:mahara:1.8.5:*:*:*:*:*:*:*
mahara mahara 1.8.6 cpe:2.3:a:mahara:mahara:1.8.6:*:*:*:*:*:*:*
mahara mahara 1.9 cpe:2.3:a:mahara:mahara:1.9:rc1:*:*:*:*:*:*
mahara mahara 1.9.0 cpe:2.3:a:mahara:mahara:1.9.0:*:*:*:*:*:*:*
mahara mahara 1.9.1 cpe:2.3:a:mahara:mahara:1.9.1:*:*:*:*:*:*:*
mahara mahara 1.9.2 cpe:2.3:a:mahara:mahara:1.9.2:*:*:*:*:*:*:*
mahara mahara 1.9.3 cpe:2.3:a:mahara:mahara:1.9.3:*:*:*:*:*:*:*
mahara mahara 1.9.4 cpe:2.3:a:mahara:mahara:1.9.4:*:*:*:*:*:*:*
mahara mahara 1.10 cpe:2.3:a:mahara:mahara:1.10:rc1:*:*:*:*:*:*
mahara mahara 1.10.0 cpe:2.3:a:mahara:mahara:1.10.0:*:*:*:*:*:*:*
mahara mahara 1.10.1 cpe:2.3:a:mahara:mahara:1.10.1:*:*:*:*:*:*:*
mahara mahara 1.10.2 cpe:2.3:a:mahara:mahara:1.10.2:*:*:*:*:*:*:*
mahara mahara 15.04 cpe:2.3:a:mahara:mahara:15.04:rc1:*:*:*:*:*:*
mahara mahara 15.04 cpe:2.3:a:mahara:mahara:15.04:rc2:*:*:*:*:*:*

References for CVE-2017-1000139

URL Tags
https://bugs.launchpad.net/mahara/+bug/1397736 Issue Tracking Patch Third Party Advisory
cvelogic Threat Intelligence