A command-injection vulnerability in an authenticated Telnet connection in Poly (formerly…
Priority LOW 38CWE-77Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-77.
Summary
A command-injection vulnerability in an authenticated Telnet connection in Poly (formerly Polycom) CX5500 and CX5100 1.3.5 leads an attacker to Privilege Escalation and Remote Code Execution capability. NOTE: This vulnerability only affects products that are no longer supported by the maintainer
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.02048 81st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:poly:cx5500_firmware:1.3.5:*:*:*:*:*:*:* | 1.3.5 | Vulnerable | Poly |
| cpe:2.3:h:poly:cx5500:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Poly |
| cpe:2.3:o:poly:cx5100_firmware:1.3.5:*:*:*:*:*:*:* | 1.3.5 | Vulnerable | Poly |
| cpe:2.3:h:poly:cx5100:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Poly |
- cpe:2.3:o:poly:cx5500_firmware:1.3.5:*:*:*:*:*:*:* Versions 1.3.5 Vulnerable ·Poly
- cpe:2.3:h:poly:cx5500:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Poly
- cpe:2.3:o:poly:cx5100_firmware:1.3.5:*:*:*:*:*:*:* Versions 1.3.5 Vulnerable ·Poly
- cpe:2.3:h:poly:cx5100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Poly
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-37145
- 2026-10-03 Alias added: GHSA-vp53-9vpq-jfg7
References
Sources
- CVE-2021-37145 · CVE Program
- CVE-2021-37145 · NVD
- FIRST EPSS
- GHSA-vp53-9vpq-jfg7 · GitHub Advisory Database · CC BY 4.0
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