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Vendor advisorySeverity 7.8 high
Cisco Access Points SSH Management Privilege Escalation Vulnerability
cisco-sa-cisco-ap-LLjsGxv · Cisco · September 22, 2021
Summary
A vulnerability in the SSH management feature of multiple Cisco Access Points (APs) platforms could allow a local, authenticated user to modify files on the affected device and possibly gain escalated privileges.
The vulnerability is due to improper checking on file operations within the SSH management interface. A network administrator user could exploit this vulnerability by accessing an affected device through SSH management to make a configuration change. A successful exploit could allow the attacker to gain privileges equivalent to the root user.
Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
From Cisco (vendor's own words, quoted), quoted as published. Check the source before acting.
What to do
Cisco has released software updates that address this vulnerability.
Vendor fix or mitigation, quoted from the advisory.
Each CVE in this advisory
| CVE | Severity | Known exploited | Exploit likelihood |
|---|---|---|---|
| CVE-2021-1419 | 7.8 high | No | 0.2% |
Severity from the advisory (CVSS), known exploitation from CISA's catalog, exploit likelihood from EPSS (next 30 days).
Affected products
| Vendor | Product |
|---|---|
| Cisco | Cisco Wireless LAN Controller (WLC) |
| Cisco | Cisco Aironet Access Point Software (IOS XE Controller) |
| Cisco | Cisco 5500 Series Wireless Controllers |
| Cisco | Cisco 3500 Series Wireless Controllers |
| Cisco | Cisco 8500 Series Wireless Controllers |
| Cisco | Cisco Virtual Wireless Controller |
Why it's on these mode pages
- Maritime: Vendor table: Cisco (network and remote-access gear used in every mode, all modes) (matched by rule)
- Pipeline: Vendor table: Cisco (network and remote-access gear used in every mode, all modes) (matched by rule)
- Freight rail: Vendor table: Cisco (network and remote-access gear used in every mode, all modes) (matched by rule)
- Passenger rail and transit: Vendor table: Cisco (network and remote-access gear used in every mode, all modes) (matched by rule)
- Highway and motor carrier: Vendor table: Cisco (network and remote-access gear used in every mode, all modes) (matched by rule)
- Postal and parcel: Vendor table: Cisco (network and remote-access gear used in every mode, all modes) (matched by rule)
Change history
- September 22, 2021: Initial public release.
- November 9, 2026: First collected by Watch
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