How severe is CVE-2014-8391?

CVE-2014-8391 has a CVSS 2.0 base score of 4.0, rated medium severity.

Is CVE-2014-8391 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-8391?

CVE-2014-8391 affects Sendio. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2014-8391?

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

When was CVE-2014-8391 published?

CVE-2014-8391 was published on 2015-06-02 and last updated on 2026-06-17.

CVE-2014-8391

CVE-2014-8391 is a medium-severity vulnerability in Sendio with a CVSS 2.0 base score of 4.0. 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-200.

Key facts

Severity: Medium (CVSS 2.0 base score 4.0)
EPSS exploit prediction: 5% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Sendio
Published: 2015-06-02
Last modified: 2026-06-17

Description

The Web interface in Sendio before 7.2.4 does not properly handle sessions, which allows remote authenticated users to obtain sensitive information from other users' sessions via a large number of requests.

Frequently asked questions

What is CVE-2014-8391?: The Web interface in Sendio before 7.2.4 does not properly handle sessions, which allows remote authenticated users to obtain sensitive information from other users' sessions via a large number of requests.
How severe is CVE-2014-8391?: CVE-2014-8391 has a CVSS 2.0 base score of 4.0, rated medium severity.
Is CVE-2014-8391 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-8391?: CVE-2014-8391 affects Sendio. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2014-8391?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-8391 published?: CVE-2014-8391 was published on 2015-06-02 and last updated on 2026-06-17.

References

Affected products (1)

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

More vulnerabilities in Sendio

CVE-2016-10399 — High (CVSS 7.5): Sendio versions before 8.2.1 were affected by a Local File Inclusion vulnerability that allowed an unauthenticated,…
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…

All CVEs affecting Sendio →

Other CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor) vulnerabilities

CVE-2026-27604 — Critical (CVSS 10.0): FOSSBilling is a free, open-source billing and client management system. Starting in version 0.5.4 and prior to version…
CVE-2026-40965 — Critical (CVSS 10.0): Cloud Foundry UAA versions v76.12.0 through v78.12.0 are vulnerable to a private key exposure. The server contains a…
CVE-2026-42826 — Critical (CVSS 10.0): Exposure of sensitive information to an unauthorized actor in Azure DevOps allows an unauthorized attacker to disclose…
CVE-2025-29270 — Critical (CVSS 10.0): Incorrect access control in the realtime.cgi endpoint of Deep Sea Electronics devices DSE855 v1.1.0 to v1.1.26 allows…
CVE-2025-61481 — Critical (CVSS 10.0): An issue in MikroTik RouterOS v.7.14.2 and SwOS v.2.18 exposes the WebFig management interface over cleartext HTTP by…
CVE-2025-53624 — Critical (CVSS 10.0): The Docusaurus gists plugin adds a page to your Docusaurus instance, displaying all public gists of a GitHub user.…

Browse all CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor) vulnerabilities →