6.1

CVE-2021-1381: cisco cisco ios xe software Active Debug Code

CVSS: 6.1v3.1MediumModified
Published 24-03-2021Last modified 08-11-2024

Vulnerability summary

CVE-2021-1381 is a medium (CVSS 6.1) Active Debug Code vulnerability in cisco cisco ios xe software. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 18.8% of scored vulnerabilities.

Overall risk
24/100
0100
Low · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.28%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 24-03-2021
    PublishedVulnerability first disclosed.
  2. 08-11-2024
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.28%

Chance of exploitation in the next 30 days

Percentile

19%

Versus all other CVEs

30-day change

+0.01 pp

From 0.27% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.28%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Cisco2 products
  • cisco ios xe softwaren/a
  • ios_xe16.11.1 | 16.11.1a | 16.11.1b | 16.11.1c | 16.11.1s | 16.11.2 | 16.12.1 | 16.12.1a | 16.12.1c | 16.12.1s | 16.12.1t | 16.12.1w | 16.12.1x | 16.12.1y | 16.12.1z | 16.12.1za | 16.12.2 | 16.12.2a | 16.12.2s | 16.12.2t | 16.12.3 | 16.12.3a | 16.12.3s | 16.12.4 | 16.12.4a | 17.1.1 | 17.1.1a | 17.1.1s | 17.1.1t | 17.1.2 | 17.2.1 | 17.2.1a | 17.2.1r | 17.2.1v | 17.2.2 | 17.2.3

1 vendor · 2 products

References

1 links