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% (17th 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% (17th 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-2026-48282 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Limitation of a Pathname to a Restricted…
- CVE-2026-54917 — Critical (CVSS 10.0): SeaweedFS is a distributed storage system for object storage (S3), file systems, and Iceberg tables. Prior to 4.30, the…
- CVE-2026-11429 — Critical (CVSS 10.0): Two endpoints in the Vault Service ScriptsController, shared by Altium Enterprise Server and Altium 365, accept file…
- CVE-2026-34909 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to…
- CVE-2026-7411 — Critical (CVSS 10.0): In Eclipse BaSyx Java Server SDK versions prior to 2.0.0-milestone-10, inadequate path normalization in the Submodel…
- CVE-2026-36767 — Critical (CVSS 10.0): A path traversal vulnerability in the /content/images/add endpoint of shopizer v3.2.5 allows attackers write arbitrary…