CVE-2015-0731
The ISDN implementation in Cisco IOS 15.3S allows remote attackers to cause a denial of service ...
The ISDN implementation in Cisco IOS 15.3S allows remote attackers to cause a denial of service (device reload) via malformed Q931 SETUP messages, aka Bug ID CSCut37890.
Exploit likelihood
What each source reports
NVD Score used
The ISDN implementation in Cisco IOS 15.3S allows remote attackers to cause a denial of service (device reload) via malformed Q931 SETUP messages, aka Bug ID CSCut37890.
- Record
CVE-2015-0731- CVSS 2.0
- 6.1 Medium
AV:A/AC:L/Au:N/C:N/I:N/A:C - Weakness
- CWE-399
- Updated
- 2026-11-02
CVE List No score
The ISDN implementation in Cisco IOS 15.3S allows remote attackers to cause a denial of service (device reload) via malformed Q931 SETUP messages, aka Bug ID CSCut37890.
- Record
CVE-2015-0731- Updated
- 2026-11-02
EUVDEUVD-2015-0744 No score
The ISDN implementation in Cisco IOS 15.3S allows remote attackers to cause a denial of service (device reload) via malformed Q931 SETUP messages, aka Bug ID CSCut37890.
- Record
EUVD-2015-0744- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-g232-rhmm-6jj5 No score
The ISDN implementation in Cisco IOS 15.3S allows remote attackers to cause a denial of service ...
The ISDN implementation in Cisco IOS 15.3S allows remote attackers to cause a denial of service (device reload) via malformed Q931 SETUP messages, aka Bug ID CSCut37890.
- Record
GHSA-g232-rhmm-6jj5- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2015-0731 is a medium vulnerability (CVSS 6.1) in Cisco Ios, published May 16, 2015. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.61%, the 49th percentile. No source names a fixed version.