Issabel is a narrowly focused open-source PBX and unified communications platform, and its vulnerability footprint centers on that single product with a recurring pattern of web-application and command-injection weaknesses. The exposure spans cross-site scripting, cross-site request forgery, improper resource isolation, and OS command injection—issues typical of telecommunications management interfaces that handle both user input and system configuration—and public exploit code has frequently become available for disclosed flaws. Defenders should treat Issabel instances, particularly those exposed to untrusted networks, as a patching priority given the appliance's administrative role; live severity and exploitation figures are shown alongside this summary.
The number and severity of CVEs published that impact products developed by Issabel over time
Signals from CVEs in this vendor scope (12 CVEs).
12 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2024-0986CRITICAL A vulnerability was found in Issabel PBX 4.0.0. It has been rated as critical. This issue affects some unknown processing of the file /index.php?menu=asterisk_cli of the component | Jan 29, 2024 | 9.8 | 70 | NO | YES |
CVE-2023-37599HIGH An issue in issabel-pbx v.4.0.0-6 allows a remote attacker to obtain sensitive information via the modules directory | Jul 13, 2023 | 7.5 | 32 | NO | YES |
CVE-2023-37597HIGH Cross Site Request Forgery (CSRF) vulnerability in issabel-pbx v.4.0.0-6 allows a remote attacker to cause a denial of service via the delete user grouplist function. | Jul 11, 2023 | 8.1 | 23 | NO | NO |
CVE-2023-37596HIGH Cross Site Request Forgery (CSRF) vulnerability in issabel-pbx v.4.0.0-6 allows a remote attacker to cause a denial of service via a crafted script to the deleteuser function. | Jul 11, 2023 | 8.1 | 23 | NO | NO |
CVE-2023-34839MEDIUM A Cross Site Request Forgery (CSRF) vulnerability in Issabel issabel-pbx v.4.0.0-6 allows a remote attacker to gain privileges via a Custom CSRF exploit to create new user function | Jun 27, 2023 | 6.8 | 21 | NO | NO |
CVE-2021-43695MEDIUM issabelPBX version 2.11 is affected by a Cross Site Scripting (XSS) vulnerability. In file page.backup_restore.php, the exit function will terminate the script and print the messag | Nov 29, 2021 | 6.1 | 21 | NO | NO |
CVE-2021-46558MEDIUM Multiple cross-site scripting (XSS) vulnerabilities in the Add User module of Issabel PBX 20200102 allows attackers to execute arbitrary web scripts or HTML via a crafted payload i | Feb 15, 2022 | 5.4 | 20 | NO | NO |
CVE-2021-34190MEDIUM A stored cross site scripting (XSS) vulnerability in index.php?menu=billing_rates of Issabel PBX version 4 allows attackers to execute arbitrary web scripts or HTML via a crafted p | Jul 6, 2021 | 4.8 | 18 | NO | NO |
CVE-2023-37190MEDIUM A stored cross-site scripting (XSS) vulnerability in Issabel issabel-pbx v.4.0.0-6 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the | Jul 11, 2023 | 4.8 | 17 | NO | NO |
CVE-2023-37189MEDIUM A stored cross site scripting (XSS) vulnerability in index.php?menu=billing_rates of Issabel PBX version 4 allows attackers to execute arbitrary web scripts or HTML via a crafted p | Jul 11, 2023 | 4.8 | 17 | NO | NO |
Signals from CVEs in this vendor scope (12 CVEs).
An overview of all social media posts that mention a CVE ID that affects a product developed by Issabel.
Media articles that mention a CVE ID that affects a product developed by Issabel — matched by CVE ID, not by vendor name.