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Vulnerability record · CVE-2015-0603 · published 7 February 2015

CVE-2015-0603: Cisco unified ip phones 9900 series firmware permissions and access controls vulnerability

Cisco · Unified Ip Phones 9900 Series Firmware

Cisco Unified IP 9900 phones with firmware 9.4(.1) and earlier use weak permissions for unspecified files, which allows local users to cause a denial of service (persistent hang or reboot) by writing to a phone's filesystem, aka Bug ID CSCup90474.

4.6 CVSS 2.0 Medium EPSS 0.30% · top 79.2% CWE-264 · Permissions and access controls
4.6CVSS 2.0 base score
0.30%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

Cisco Unified IP 9900 phones with firmware 9.4(.1) and earlier use weak permissions for unspecified files, which allows local users to cause a denial of service (persistent hang or reboot) by writing to a phone's filesystem, aka Bug ID CSCup90474.

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

Affected products

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

References

LinkTags
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2015-0603 Vendor Advisory
http://tools.cisco.com/security/center/viewAlert.x?alertId=37345 Vendor Advisory
http://www.securityfocus.com/bid/72484
https://exchange.xforce.ibmcloud.com/vulnerabilities/100619
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2015-0603 Vendor Advisory
http://tools.cisco.com/security/center/viewAlert.x?alertId=37345 Vendor Advisory
http://www.securityfocus.com/bid/72484
https://exchange.xforce.ibmcloud.com/vulnerabilities/100619

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Related vulnerabilities

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

7.1CVE-2015-4226Cisco unified ip phones 9900 series firmware vulnerabilityThe packet-storing feature on Cisco 9900 phones with firmware 9.3(2) does not properly support the RTP protocol, which allows remote attackers to cau…EPSS 2.8%6.0CVE-2013-5533Cisco unified ip phones 9900 series firmware improper input validation vulnerabilityThe image-upgrade functionality on Cisco 9900 Unified IP phones allows local users to gain privileges by placing shell commands in an unspecified par…EPSS 0.27%5.4CVE-2014-0658Cisco unified ip phones 9900 series firmware improper input validation vulnerabilityCisco 9900 Unified IP phones allow remote attackers to cause a denial of service (unregistration) via a crafted SIP header, aka Bug ID CSCul24898.EPSS 2.7%5.0CVE-2015-0602Cisco unified ip phones 9900 series firmware information exposure vulnerabilityThe mobility extension on Cisco Unified IP 9900 phones with firmware 9.4(.1) and earlier allows remote attackers to obtain sensitive information by s…EPSS 1.4%5.0CVE-2015-0600Cisco unified ip phones 9900 series firmware improper input validation vulnerabilityThe mobility extension on Cisco Unified IP 9900 phones with firmware 9.4(.1) and earlier allows remote attackers to cause a denial of service (logoff…EPSS 2.2%5.0CVE-2013-5532Cisco unified ip phones 9900 series firmware improper input validation vulnerabilityBuffer overflow in the web-application interface on Cisco 9900 IP phones allows remote attackers to cause a denial of service (webapp interface outag…EPSS 2.1%5.0CVE-2013-3426Cisco unified ip phones 9900 series firmware permissions and access controls vulnerabilityThe Serviceability servlet on Cisco 9900 IP phones does not properly restrict paths, which allows remote attackers to read arbitrary files by specify…EPSS 1.2%5.1CVE-2015-3246libuser userhelper direct /etc/passwd write race conditionlibuser before 0.56.13-8 and 0.60 before 0.60-7, as used by the userhelper program in the usermode package, modifies /etc/passwd directly instead of …KEVEPSS 8.8%analysed

Source: NIST National Vulnerability Database (record CVE-2015-0603), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.