How severe is CVE-2016-10399?

CVE-2016-10399 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-2016-10399 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-10399?

CVE-2016-10399 affects Sendio. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-10399?

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-2016-10399 published?

CVE-2016-10399 was published on 2017-07-27 and last updated on 2026-06-17.

CVE-2016-10399

CVE-2016-10399 is a high-severity vulnerability in Sendio 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-538.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-538
Affected product: Sendio
Published: 2017-07-27
Last modified: 2026-06-17

Description

Sendio versions before 8.2.1 were affected by a Local File Inclusion vulnerability that allowed an unauthenticated, remote attacker to read potentially sensitive system files via a specially crafted URL.

Frequently asked questions

What is CVE-2016-10399?: Sendio versions before 8.2.1 were affected by a Local File Inclusion vulnerability that allowed an unauthenticated, remote attacker to read potentially sensitive system files via a specially crafted URL.
How severe is CVE-2016-10399?: CVE-2016-10399 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-2016-10399 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-10399?: CVE-2016-10399 affects Sendio. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-10399?: 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-2016-10399 published?: CVE-2016-10399 was published on 2017-07-27 and last updated on 2026-06-17.

References

https://sendio.com/support/software-release-history/

Affected products (1)

cpe:2.3:a:sendio:sendio:*:*:*:*:*:*:*:*

More vulnerabilities in Sendio

CVE-2014-0999 — Medium (CVSS 5.0): Sendio before 7.2.4 includes the session identifier in URLs in emails, which allows remote attackers to obtain…
CVE-2014-8391 — Medium (CVSS 4.0): The Web interface in Sendio before 7.2.4 does not properly handle sessions, which allows remote authenticated users to…

All CVEs affecting Sendio →

Other CWE-538 vulnerabilities

CVE-2016-20024 — Critical (CVSS 9.8): ZKTeco ZKTime.Net 3.0.1.6 contains an insecure file permissions vulnerability that allows unprivileged users to…
CVE-2025-12059 — Critical (CVSS 9.8): Insertion of Sensitive Information into Externally-Accessible File or Directory vulnerability in Logo Software Industry…
CVE-2023-46723 — High (CVSS 8.9): lte-pic32-writer is a writer for PIC32 devices. In versions 0.0.1 and prior, those who use `sendto.txt` are vulnerable…
CVE-2026-49298 — High (CVSS 8.8): A bug in Apache Airflow's KubernetesExecutor caused JWT tokens used by worker pods to authenticate against the…
CVE-2026-21672 — High (CVSS 8.8): A vulnerability allowing local privilege escalation on Windows-based Veeam Backup & Replication servers.
CVE-2023-7062 — High (CVSS 8.8): The Advanced File Manager Shortcodes plugin for WordPress is vulnerable to Directory Traversal in all versions up to,…

Browse all CWE-538 vulnerabilities →