CVE-2021-34711
CVE-2021-34711 is a medium-severity vulnerability in Cisco Ip Conference Phone 7832 Firmware with a CVSS 3.x base score of 5.5. 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-22.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- CVSS v2: 2.1
- EPSS exploit prediction: 0% (19th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-22
- Affected product: Cisco Ip Conference Phone 7832 Firmware
- Published:
- Last modified:
Description
A vulnerability in the debug shell of Cisco IP Phone software could allow an authenticated, local attacker to read any file on the device file system. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by providing crafted input to a debug shell command. A successful exploit could allow the attacker to read any file on the device file system.
Frequently asked questions
- What is CVE-2021-34711?
- A vulnerability in the debug shell of Cisco IP Phone software could allow an authenticated, local attacker to read any file on the device file system. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by providing crafted input to a debug shell command. A successful exploit could allow the attacker to read any file on the device file system.
- How severe is CVE-2021-34711?
- CVE-2021-34711 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2021-34711 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-34711?
- CVE-2021-34711 primarily affects Cisco Ip Conference Phone 7832 Firmware. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2021-34711?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-34711 published?
- CVE-2021-34711 was published on 2021-10-06 and last updated on 2026-06-17.
References
Affected products (16)
- cpe:2.3:o:cisco:ip_conference_phone_7832_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ip_conference_phone_8832_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ip_phone_7811_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ip_phone_7821_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ip_phone_7832_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ip_phone_7841_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ip_phone_7861_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ip_phone_8811_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ip_phone_8831_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ip_phones_8832_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ip_phone_8841_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ip_phone_8845_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ip_phone_8851_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ip_phone_8861_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ip_phone_8865_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:wireless_ip_phone_8821_firmware:*:*:*:*:*:*:*:*
More vulnerabilities in Cisco Ip Conference Phone 7832 Firmware
- 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-2019-1635 — High (CVSS 7.5): A vulnerability in the call-handling functionality of Session Initiation Protocol (SIP) Software for Cisco IP Phone…
- CVE-2021-1379 — Medium (CVSS 6.5): Multiple vulnerabilities in the Cisco Discovery Protocol and Link Layer Discovery Protocol (LLDP) implementations…
- CVE-2019-1684 — Medium (CVSS 6.5): A vulnerability in the Cisco Discovery Protocol or Link Layer Discovery Protocol (LLDP) implementation for the Cisco IP…
- CVE-2024-20445 — Medium (CVSS 5.3): A vulnerability in the web UI of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video…
- CVE-2019-1922 — Medium (CVSS 5.3): A vulnerability in Cisco SIP IP Phone Software for Cisco IP Phone 7800 Series and 8800 Series could allow an…
All CVEs affecting Cisco Ip Conference Phone 7832 Firmware →
Other CWE-22 (Path Traversal) vulnerabilities
- CVE-2026-76606 — Critical (CVSS 10.0): Joomla Extension - fabrikar.com - Path Traversal via image element in Fabrik < 4.7.3 - ???.
- CVE-2026-18051 — Critical (CVSS 10.0): The W3 Total Cache WordPress plugin before 2.10.5 does not properly validate the request path it uses to build cache…
- CVE-2026-74764 — Critical (CVSS 10.0): Pandora contains a path traversal vulnerability in its TAR archive extraction functionality. When processing a…
- CVE-2026-16940 — Critical (CVSS 10.0): The Custom Fields WordPress plugin before 1.5.1 does not validate a user-supplied file path before deletion, allowing…
- CVE-2026-67429 — Critical (CVSS 10.0): Flyto2 Core is an execution kernel for automation and AI-agent workflows. Prior to 2.26.6, image.download and related…
- CVE-2026-59555 — Critical (CVSS 10.0): Unauthenticated Arbitrary File Deletion in Participants Database <= 2.7.8.3 versions.