How severe is CVE-2017-1000139?

CVE-2017-1000139 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-1000139 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-1000139?

CVE-2017-1000139 primarily affects Mahara. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-1000139?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-1000139 published?

CVE-2017-1000139 was published on 2017-11-03 and last updated on 2026-06-17.

CVE-2017-1000139

CVE-2017-1000139 is a high-severity vulnerability in Mahara with a CVSS 3.x base score of 8.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-918.

Key facts

Severity: High (CVSS 3.x base score 8.0)
CVSS v2: 6.0
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Mahara
Published: 2017-11-03
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2017-1000139?: CVE-2017-1000139 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-1000139 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-1000139?: CVE-2017-1000139 primarily affects Mahara. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-1000139?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-1000139 published?: CVE-2017-1000139 was published on 2017-11-03 and last updated on 2026-06-17.

References

https://bugs.launchpad.net/mahara/+bug/1397736

Affected products (21)

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

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CVE-2021-40849 — Critical (CVSS 9.8): In Mahara before 20.04.5, 20.10.3, 21.04.2, and 21.10.0, the account associated with a web services token is vulnerable…
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