CVE-2021-45967
CVE-2021-45967 is a critical-severity vulnerability in Pascom Cloud Phone System with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 21% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-22.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 21% (97th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-22
- Affected product: Pascom Cloud Phone System
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2021-45967?
- 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 severe is CVE-2021-45967?
- CVE-2021-45967 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-2021-45967 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 21% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-45967?
- CVE-2021-45967 primarily affects Pascom Cloud Phone System. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2021-45967?
- 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-2021-45967 published?
- CVE-2021-45967 was published on 2022-03-18 and last updated on 2026-06-17.
References
- https://kerbit.io/research/read/blog/4
- https://tutorialboy24.blogspot.com/2022/03/the-story-of-3-bugs-that-lead-to.html
- https://www.pascom.net/doc/en/release-notes/
- https://www.pascom.net/doc/en/release-notes/pascom19/
Affected products (3)
- cpe:2.3:a:pascom:cloud_phone_system:*:*:*:*:*:*:*:*
- cpe:2.3:a:igniterealtime:openfire:*:*:*:*:*:*:*:*
- cpe:2.3:a:igniterealtime:openfire:4.5.0:-:*:*:*:*:*:*
More vulnerabilities in Pascom Cloud Phone System
- CVE-2021-45966 — Critical (CVSS 9.8): An issue was discovered in Pascom Cloud Phone System before 7.20.x. In the management REST API, /services/apply in…
- CVE-2021-45968 — High (CVSS 7.5): An issue was discovered in xmppserver jar in the XMPP Server component of the JIve platform, as used in Pascom Cloud…
All CVEs affecting Pascom Cloud Phone System →
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