PatchTheCVECVE-2021-45967: An issue was discovered in Pascom Cloud Phone System before 7.20.x
CVE-2021-45967 is a critical-severity flaw (CVSS 9.8) affecting cloud phone system, openfire. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An issue was discovered in Pascom Cloud Phone System before 7.20.x. A configuration error between NGINX and a backend Tomcat server leads to a path traversal in the Tomcat server, exposing unintended endpoints.
Why this priority
- Critical severity
- EPSS top 2%: very likely to be exploited
- Public exploit reference
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 20.8% (top 2%) |
| CISA exploited list | No |
| Weakness | CWE-22 |
| Published | 2022-03-18 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Public exploits and detection
Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.
- Nuclei scan template: Pascom CPS Server-Side Request Forgery
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2021-45967?
cloud phone system: upgrade to newer than 7.19; openfire: upgrade to 4.5.0. Exact commands for each OS are on this page.
Is CVE-2021-45967 being exploited?
CVE-2021-45967 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2021-45967 affect?
CVE-2021-45967 affects cloud phone system, openfire. Severity is critical (CVSS 9.8). An issue was discovered in Pascom Cloud Phone System before 7.20.x. A configuration error between NGINX and a backend Tomcat server leads to a path traversal in the Tomcat server, exposing unintended endpoints.
How urgent is CVE-2021-45967?
Priority 69/100. Critical severity; EPSS top 2%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action
Software pages
nginx vulnerabilities · Apache Tomcat vulnerabilities
Related CVEs
- CVE-2021-45968 HIGH 7.5 MITIGATE UPGRADE An issue was discovered in xmppserver jar in the XMPP Server component of the JIve platform, as used in Pascom
- CVE-2021-45966 CRITICAL 9.8 UPGRADE An issue was discovered in Pascom Cloud Phone System before 7.20.x