How severe is CVE-2016-10400?

CVE-2016-10400 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2016-10400 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-10400?

CVE-2016-10400 affects Atutor. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-10400?

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-2016-10400 published?

CVE-2016-10400 was published on 2017-07-22 and last updated on 2026-06-17.

CVE-2016-10400

CVE-2016-10400 is a high-severity vulnerability in Atutor with a CVSS 3.x base score of 7.5. 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-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Atutor
Published: 2017-07-22
Last modified: 2026-06-17

Description

Directory Traversal exists in ATutor before 2.2.2 via the icon parameter to /mods/_core/courses/users/create_course.php. The attacker can read an arbitrary file by visiting get_course_icon.php?id= after the traversal attack.

Frequently asked questions

What is CVE-2016-10400?: Directory Traversal exists in ATutor before 2.2.2 via the icon parameter to /mods/_core/courses/users/create_course.php. The attacker can read an arbitrary file by visiting get_course_icon.php?id= after the traversal attack.
How severe is CVE-2016-10400?: CVE-2016-10400 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2016-10400 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-10400?: CVE-2016-10400 affects Atutor. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-10400?: 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-2016-10400 published?: CVE-2016-10400 was published on 2017-07-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:atutor:atutor:*:*:*:*:*:*:*:*

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