CVE-2023-20078
CVE-2023-20078 is a critical-severity vulnerability in Cisco Ip Phone 6871 Firmware with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 10% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-787.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 10% (95th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Cisco Ip Phone 6871 Firmware
- Published:
- Last modified:
Description
Multiple vulnerabilities in the web-based management interface of certain Cisco IP Phones could allow an unauthenticated, remote attacker to execute arbitrary code or cause a denial of service (DoS) condition. For more information about these vulnerabilities, see the Details section of this advisory.
Frequently asked questions
- What is CVE-2023-20078?
- Multiple vulnerabilities in the web-based management interface of certain Cisco IP Phones could allow an unauthenticated, remote attacker to execute arbitrary code or cause a denial of service (DoS) condition. For more information about these vulnerabilities, see the Details section of this advisory.
- How severe is CVE-2023-20078?
- CVE-2023-20078 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-20078 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-20078?
- CVE-2023-20078 primarily affects Cisco Ip Phone 6871 Firmware. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2023-20078?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2023-20078 published?
- CVE-2023-20078 was published on 2023-03-03 and last updated on 2026-06-17.
References
Affected products (17)
- cpe:2.3:o:cisco:ip_phone_6871_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ip_phone_6861_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ip_phone_6851_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ip_phone_6841_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ip_phone_6825_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ip_phone_7861_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ip_phone_7841_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ip_phone_7832_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ip_phone_7821_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ip_phone_7811_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ip_phone_8865_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ip_phone_8861_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ip_phone_8851_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ip_phone_8845_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ip_phone_8841_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ip_phone_8832_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ip_phone_8811_firmware:*:*:*:*:*:*:*:*
More vulnerabilities in Cisco Ip Phone 6871 Firmware
- CVE-2023-20079 — Critical (CVSS 9.8): Multiple vulnerabilities in the web-based management interface of certain Cisco IP Phones could allow an…
- CVE-2020-3111 — High (CVSS 8.8): A vulnerability in the Cisco Discovery Protocol implementation for the Cisco IP Phone could allow an unauthenticated,…
- CVE-2022-20774 — Medium (CVSS 6.8): A vulnerability in the web-based management interface of Cisco IP Phone 6800, 7800, and 8800 Series with Multiplatform…
- CVE-2019-16008 — Medium (CVSS 5.4): A vulnerability in the web-based GUI of Cisco IP Phone 6800, 7800, and 8800 Series with Multiplatform Firmware could…
All CVEs affecting Cisco Ip Phone 6871 Firmware →
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