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Vulnerability record · CVE-2005-4794 · published 31 December 2005

CVE-2005-4794: Cisco application and content networking software vulnerability

Cisco · Application And Content Networking Software

Cisco IP Phones 7902/7905/7912, ATA 186/188, Unity Express, ACNS, and Subscriber Edge Services Manager (SESM) allows remote attackers to cause a denial of service (crash or instability) via a compressed DNS packet with a label length byte with an incorrect offset.

5.0 CVSS 2.0 Medium EPSS 2.4% · top 16.7%
5.0CVSS 2.0 base score
2.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
7Affected product versions listed by NVD
24References
16 Jun 2026Last modified by NVD

Description

Cisco IP Phones 7902/7905/7912, ATA 186/188, Unity Express, ACNS, and Subscriber Edge Services Manager (SESM) allows remote attackers to cause a denial of service (crash or instability) via a compressed DNS packet with a label length byte with an incorrect offset.

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

7 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://secunia.com/advisories/15472 Vendor Advisory
http://securitytracker.com/id?1014043
http://securitytracker.com/id?1014044
http://securitytracker.com/id?1014045
http://securitytracker.com/id?1014046
http://securitytracker.com/id?1015975
http://www.cisco.com/warp/public/707/cisco-sn-20050524-dns.shtml
http://www.niscc.gov.uk/niscc/docs/al-20050524-00433.html
http://www.niscc.gov.uk/niscc/docs/re-20050524-00432.pdf?lang=en
http://www.osvdb.org/19003
http://www.securityfocus.com/bid/13729
https://exchange.xforce.ibmcloud.com/vulnerabilities/20712
http://secunia.com/advisories/15472 Vendor Advisory
http://securitytracker.com/id?1014043
http://securitytracker.com/id?1014044
http://securitytracker.com/id?1014045
http://securitytracker.com/id?1014046
http://securitytracker.com/id?1015975
http://www.cisco.com/warp/public/707/cisco-sn-20050524-dns.shtml
http://www.niscc.gov.uk/niscc/docs/al-20050524-00433.html
http://www.niscc.gov.uk/niscc/docs/re-20050524-00432.pdf?lang=en
http://www.osvdb.org/19003
http://www.securityfocus.com/bid/13729
https://exchange.xforce.ibmcloud.com/vulnerabilities/20712

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.5CVE-2005-0601Cisco application and content networking software vulnerabilityCisco devices running Application and Content Networking System (ACNS) 4.x, 5.0, 5.1, or 5.2 use a default password when the setup dialog has not bee…EPSS 1.6%7.5CVE-2004-0079Cisco firewall services module null pointer dereference vulnerabilityThe do_change_cipher_spec function in OpenSSL 0.9.6c to 0.9.6k, and 0.9.7a to 0.9.7c, allows remote attackers to cause a denial of service (crash) vi…EPSS 9.5%7.5CVE-2003-0982Cisco application and content networking software vulnerabilityBuffer overflow in the authentication module for Cisco ACNS 4.x before 4.2.11, and 5.x before 5.0.5, allows remote attackers to execute arbitrary cod…EPSS 4.4%5.0CVE-2005-0597Cisco application and content networking software vulnerabilityCisco devices running Application and Content Networking System (ACNS) 5.0 before 5.0.17.6 and 5.1 before 5.1.11.6 allow remote attackers to cause a …EPSS 2.7%5.0CVE-2005-0599Cisco application and content networking software vulnerabilityCisco devices running Application and Content Networking System (ACNS) 4.x, 5.0, or 5.1 before 5.1.11.6 allow remote attackers to cause a denial of s…EPSS 1.6%5.0CVE-2005-0598Cisco application and content networking software vulnerabilityThe RealServer RealSubscriber on Cisco devices running Application and Content Networking System (ACNS) 5.1 allow remote attackers to cause a denial …EPSS 3.2%5.0CVE-2005-0600Cisco application and content networking software vulnerabilityCisco devices running Application and Content Networking System (ACNS) 5.0, 5.1 before 5.1.13.7, or 5.2 before 5.2.3.9 allow remote attackers to caus…EPSS 1.6%5.0CVE-2004-0081Cisco firewall services module vulnerabilityOpenSSL 0.9.6 before 0.9.6d does not properly handle unknown message types, which allows remote attackers to cause a denial of service (infinite loop…EPSS 7.2%

Source: NIST National Vulnerability Database (record CVE-2005-4794), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.