How severe is CVE-2015-0743?

CVE-2015-0743 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2015-0743 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-2015-0743?

CVE-2015-0743 primarily affects Cisco Headend Digital Broadband Delivery System. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-0743?

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

When was CVE-2015-0743 published?

CVE-2015-0743 was published on 2015-05-30 and last updated on 2026-06-17.

CVE-2015-0743

CVE-2015-0743 is a medium-severity vulnerability in Cisco Headend Digital Broadband Delivery System with a CVSS 2.0 base score of 5.0. 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-399.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Cisco Headend Digital Broadband Delivery System
Published: 2015-05-30
Last modified: 2026-06-17

Description

Cisco Headend System Release allows remote attackers to cause a denial of service (DHCP and TFTP outage) via a flood of crafted UDP traffic, aka Bug ID CSCus04097.

Frequently asked questions

What is CVE-2015-0743?: Cisco Headend System Release allows remote attackers to cause a denial of service (DHCP and TFTP outage) via a flood of crafted UDP traffic, aka Bug ID CSCus04097.
How severe is CVE-2015-0743?: CVE-2015-0743 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2015-0743 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-2015-0743?: CVE-2015-0743 primarily affects Cisco Headend Digital Broadband Delivery System. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-0743?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-0743 published?: CVE-2015-0743 was published on 2015-05-30 and last updated on 2026-06-17.

References

Affected products (7)

cpe:2.3:o:cisco:headend_digital_broadband_delivery_system:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:headend_system_release:2.5:*:*:*:*:*:*:*
cpe:2.3:o:cisco:headend_system_release:2.7:*:*:*:*:*:*:*
cpe:2.3:o:cisco:headend_system_release:3.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:headend_system_release:3.5:*:*:*:*:*:*:*
cpe:2.3:o:cisco:headend_system_release:3.7:*:*:*:*:*:*:*
cpe:2.3:o:cisco:headend_system_release:i4.3:*:*:*:*:*:*:*

More vulnerabilities in Cisco Headend Digital Broadband Delivery System

CVE-2015-0744 — High (CVSS 7.8): Cisco DTA Control System (DTACS) 4.0.0.9 and Cisco Headend System Release allow remote attackers to cause a denial of…
CVE-2015-0759 — Medium (CVSS 6.8): Cross-site request forgery (CSRF) vulnerability in Cisco Headend Digital Broadband Delivery System allows remote…
CVE-2015-0745 — Medium (CVSS 5.0): Cisco Headend System Release allows remote attackers to read temporary script files or archive files, and consequently…
CVE-2015-0747 — Medium (CVSS 4.3): Cisco Conductor for Videoscape 3.0 and Cisco Headend System Release allow remote attackers to inject arbitrary cookies…
CVE-2015-0733 — Medium (CVSS 4.3): CRLF injection vulnerability in the HTTP Header Handler in Digital Broadband Delivery System in Cisco Headend System…
CVE-2015-0724 — Medium (CVSS 4.3): Multiple cross-site scripting (XSS) vulnerabilities in dncs 7.0.0.12 in Cisco Headend Digital Broadband Delivery System…

All CVEs affecting Cisco Headend Digital Broadband Delivery System →

Other CWE-399 (Resource Management Errors) vulnerabilities

CVE-2015-8104 — Critical (CVSS 10.0): The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a…
CVE-2015-0339 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0335 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0333 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2014-4121 — Critical (CVSS 10.0): Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 does not properly parse internationalized…
CVE-2014-0560 — Critical (CVSS 10.0): Use-after-free vulnerability in Adobe Reader and Acrobat 10.x before 10.1.12 and 11.x before 11.0.09 on Windows and OS…

Browse all CWE-399 (Resource Management Errors) vulnerabilities →