CVE-2025-20335
mediumPriorität · verfolgen · 0EPSS 0.004 · 29. PerzentilDEEURUUSEPSS · bewertet 2026-10-27
A vulnerability in the directory permissions of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 could allow an unauthenticated, remote attacker to write arbitrary files on an affected device. This vulnerability is due to a lack of proper authentication controls. An attacker could exploit this vulnerability by sending a crafted request to an affected device. A successful exploit could allow the attacker to perform arbitrary file writes to specific directories in the underlying operating system. Note: To exploit this vulnerability, Web Access must be enabled on the phone. Web Access is disabled by default.
Behebungen
Hersteller-Fix, Mitigation oder Workaround, wie von den Quellen veröffentlicht.
Ein Hersteller-Fix ist verfügbar.
- BehobenCisco Session Initiation Protocol (SIP) Softwarecisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
cvss
Technischer Schweregrad, 0–10. Eine Zeile je Quelle.
Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen
SSVC
Eine Handlungsentscheidung — aus Ausnutzung und Auswirkung.
schwächen
Die CWE-Schwächeklassen, zu denen dies gehört.
betroffene Produkte (143)
Betroffene Produkte und Versionsbereiche.
Advisories (2)
Hersteller- und Ökosystem-Meldungen dazu.
- WID-SEC-W-2025-1958Cisco IP Phone 7800, 8800 und 8821: Mehrere SchwachstellenDeutsch2025-09-03csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Cisco IP Phone ausnutzen, um Dateien zu manipulieren und vertrauliche Informationen offenzulegen.
- cisco-sa-phone-write-g3kcC5DfCisco Desk Phone 9800 Series, IP Phone 7800 and 8800 Series, and Video Phone 8875 with SIP Software Vulnerabilities2025-09-03csaf · cisco_csafUS
Multiple vulnerabilities in the directory permissions of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 with Cisco Session Initiation Protocol (SIP) Software could allow an unauthenticated, remote attacker to conduct arbitrary file write and information disclosure attacks on an affected device. Note: To exploit these vulnerabilities, Web Access must be enabled on the phone. Web Access is disabled by default. For more information about these vulnerabilities, see the Details ["#details"] section of this advisory. Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.
auch bekannt als (5)
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quellen
Welche Quellen diesen Datensatz belegen und wann.
Referenzen (4)
Externe Belege — Patches, Meldungen, Analysen.
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-phone-write-g3kcC5Dfcnnvd
- https://vigilance.fr/vulnerability/Cisco-IP-Phone-7800-8800-read-write-access-via-SIP-Software-48127cnnvd
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-phone-write-g3kcC5Dfenisa_euvd
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-phone-write-g3kcC5DfVendor Advisorynvd
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