What is CVE-2019-9531?

CVE-2019-9531 is a critical-severity vulnerability in Cobham Explorer 710, classified under Improper Access Control. CVSS score: 9.8/10. Published 2019-10-10.

How severe is CVE-2019-9531?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2019-9531 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Cobham Explorer 710

CVE-2019-9531

The web application portal of the Cobham EXPLORER 710, firmware version 1.07, allows unauthenticated access to port 5454. This could allow an unauthenticated, remote attacker to connect to this port via Telnet and execute 86 Attention (AT) commands, including some that provide unauthenticated, shell-like access to the device.

Published 2019-10-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.025 (84.1th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 84.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.025 · newest: 0.025 · change: 0.000

Affected products

Cobham Explorer 710
Cobham Explorer 710 Firmware — versions 1.07
Cobham Plc Explorer 710 — versions 1.07

Weakness classification (CWE)

Public proof-of-concept exploits

ANG13T/aerospace-cve-list

References

kb.cert.org/vuls/id/719689/ (US Government Resource, Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2019-9531?: CVE-2019-9531 is a critical-severity vulnerability in Cobham Explorer 710, classified under Improper Access Control. CVSS score: 9.8/10. Published 2019-10-10.
How severe is CVE-2019-9531?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2019-9531 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.