CVE-2015-6309: Medium severity cisco email security appliance firmware vulnerability

Published Oct 2, 2015
·
Updated

Cisco Email Security Appliance (ESA) 8.5.6-106 and 9.6.0-042 allows remote authenticated users to cause a denial of service (file-descriptor consumption and device reload) via crafted HTTP requests, aka Bug ID CSCuw32211.

Affected Software

2 affected components
Cisco Email Security Appliance=9.6.0-042
Cisco Email Security Appliance Firmware=8.5.6-106

Event History

Oct 2, 2015
CVE Published
via MITRE·03:00 PM
Data Sourced
via MITRE·03:00 PM
Description
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2015-6309?

CVE-2015-6309 has been classified as a denial of service vulnerability affecting Cisco Email Security Appliance.

2

How do I fix CVE-2015-6309?

To fix CVE-2015-6309, upgrade the Cisco Email Security Appliance to a version that is unaffected by this vulnerability.

3

What are the affected versions of CVE-2015-6309?

CVE-2015-6309 affects Cisco Email Security Appliance versions 8.5.6-106 and 9.6.0-042.

4

What type of attack does CVE-2015-6309 enable?

CVE-2015-6309 allows remote authenticated users to perform a denial of service attack by sending crafted HTTP requests.

5

Is CVE-2015-6309 exploitable without authentication?

No, CVE-2015-6309 requires remote authenticated user access to exploit the vulnerability.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203