CVE-2021-1381 json
Cisco IOS XE Software Active Debug Code Vulnerability
published 2021-03-24 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-6848
- cvss
- 6.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 20%
- public exploits
- 0
- none known
Summary
A vulnerability in Cisco IOS XE Software could allow an authenticated, local attacker with high privileges or an unauthenticated attacker with physical access to the device to open a debugging console. The vulnerability is due to insufficient command authorization restrictions. An attacker could exploit this vulnerability by running commands on the hardware platform to open a debugging console. A successful exploit could allow the attacker to access a debugging console.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
0.28% chance of exploitation in the next 30 days, higher than 20% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.1 | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| NVD | 2.0 | 3.6 | AV:L/AC:L/Au:N/C:P/I:P/A:N |
Affected products
- Cisco Cisco IOS XE Software
Classification
- Weakness
-
- CWE-489 Active Debug Code
- Technology feeds
References
Sources
- CVE List CVE-2021-1381
- NVD CVE-2021-1381
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