How severe is CVE-2018-11137?

CVE-2018-11137 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2018-11137 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-11137?

CVE-2018-11137 affects Quest Kace System Management Appliance. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-11137?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-11137 published?

CVE-2018-11137 was published on 2018-05-31 and last updated on 2026-06-17.

CVE-2018-11137

CVE-2018-11137 is a medium-severity vulnerability in Quest Kace System Management Appliance with a CVSS 3.x base score of 6.5. 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: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Quest Kace System Management Appliance
Published: 2018-05-31
Last modified: 2026-06-17

Description

The 'checksum' parameter of the '/common/download_attachment.php' script in the Quest KACE System Management Appliance 8.0.318 can be abused to read arbitrary files with 'www' privileges via Directory Traversal. No administrator privileges are needed to execute this script.

Frequently asked questions

What is CVE-2018-11137?: The 'checksum' parameter of the '/common/download_attachment.php' script in the Quest KACE System Management Appliance 8.0.318 can be abused to read arbitrary files with 'www' privileges via Directory Traversal. No administrator privileges are needed to execute this script.
How severe is CVE-2018-11137?: CVE-2018-11137 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2018-11137 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-11137?: CVE-2018-11137 affects Quest Kace System Management Appliance. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-11137?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-11137 published?: CVE-2018-11137 was published on 2018-05-31 and last updated on 2026-06-17.

References

https://www.coresecurity.com/advisories/quest-kace-system-management-appliance-multiple-vulnerabilities

Affected products (1)

cpe:2.3:a:quest:kace_system_management_appliance:8.0.318:*:*:*:*:*:*:*

More vulnerabilities in Quest Kace System Management Appliance

CVE-2018-11141 — Critical (CVSS 9.8): The 'IMAGES_JSON' and 'attachments_to_remove[]' parameters of the '/adminui/advisory.php' script in the Quest KACE…
CVE-2018-11140 — Critical (CVSS 9.8): The 'reportID' parameter received by the '/common/run_report.php' script in the Quest KACE System Management Appliance…
CVE-2018-11138 — Critical (CVSS 9.8): The '/common/download_agent_installer.php' script in the Quest KACE System Management Appliance 8.0.318 is accessible…
CVE-2018-11136 — Critical (CVSS 9.8): The 'orgID' parameter received by the '/common/download_agent_installer.php' script in the Quest KACE System Management…
CVE-2018-11139 — High (CVSS 8.8): The '/common/ajax_email_connection_test.php' script in the Quest KACE System Management Appliance 8.0.318 is accessible…
CVE-2018-11135 — High (CVSS 8.8): The script '/adminui/error_details.php' in the Quest KACE System Management Appliance 8.0.318 allows authenticated…

All CVEs affecting Quest Kace System Management Appliance →

Other CWE-22 (Path Traversal) vulnerabilities

CVE-2026-48282 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Limitation of a Pathname to a Restricted…
CVE-2026-54917 — Critical (CVSS 10.0): SeaweedFS is a distributed storage system for object storage (S3), file systems, and Iceberg tables. Prior to 4.30, the…
CVE-2026-11429 — Critical (CVSS 10.0): Two endpoints in the Vault Service ScriptsController, shared by Altium Enterprise Server and Altium 365, accept file…
CVE-2026-34909 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to…
CVE-2026-7411 — Critical (CVSS 10.0): In Eclipse BaSyx Java Server SDK versions prior to 2.0.0-milestone-10, inadequate path normalization in the Submodel…
CVE-2026-36767 — Critical (CVSS 10.0): A path traversal vulnerability in the /content/images/add endpoint of shopizer v3.2.5 allows attackers write arbitrary…

Browse all CWE-22 (Path Traversal) vulnerabilities →