7.5

CVE-2021-1437: cisco aironet_access_point_software Permission Issues

CVSS: 7.5v3.1HighModified
Published 24-03-2021Last modified 08-11-2024
Open JSON

Vulnerability summary

CVE-2021-1437 is a high (CVSS 7.5) Permission Issues vulnerability in cisco aironet_access_point_software. EPSS estimates a 1.55% chance of exploitation in the next 30 days, higher than 74.6% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
1.55%
0%100%
Low · +0.05 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 the FlexConnect Upgrade feature of Cisco Aironet Series Access Points Software could allow an unauthenticated, remote attacker to obtain confidential information from an affected device. This vulnerability is due to an unrestricted Trivial File Transfer Protocol (TFTP) configuration. An attacker could exploit this vulnerability by sending a specific TFTP request to an affected device. A successful exploit could allow the attacker to download any file from the filesystem of the affected access point (AP).

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.55%

Chance of exploitation in the next 30 days

Percentile

75%

Versus all other CVEs

30-day change

+0.05 pp

From 1.49% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.55%

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

Cisco4 products

1 vendor · 4 products

References

1 links