CVE-2021-1491
Last modified
CVE-2021-1491 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A vulnerability in the web-based management interface of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to read arbitrary files on the underlying file system of the device. This vulnerability is due to insufficient file scope limiting. An attacker could exploit this vulnerability by creating a specific file reference on the file system and then accessing it through the web-based management interface. EPSS estimates a 1.32% chance of exploitation in the next 30 days.
Description
A vulnerability in the web-based management interface of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to read arbitrary files on the underlying file system of the device. This vulnerability is due to insufficient file scope limiting. An attacker could exploit this vulnerability by creating a specific file reference on the file system and then accessing it through the web-based management interface. A successful exploit could allow the attacker to read arbitrary files from the file system of the underlying operating system.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
Metrics
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:X/RL:X/RC:X
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Catalyst Sd-Wan Manager | 17.2.4 |
| Cisco | Catalyst Sd-Wan Manager | 17.2.5 |
| Cisco | Catalyst Sd-Wan Manager | 17.2.6 |
| Cisco | Catalyst Sd-Wan Manager | 17.2.7 |
| Cisco | Catalyst Sd-Wan Manager | 17.2.8 |
| Cisco | Catalyst Sd-Wan Manager | 17.2.9 |
| Cisco | Catalyst Sd-Wan Manager | 17.2.10 |
| Cisco | Catalyst Sd-Wan Manager | 18.2.0 |
| Cisco | Catalyst Sd-Wan Manager | 18.3.0 |
| Cisco | Catalyst Sd-Wan Manager | 18.3.1 |
| Cisco | Catalyst Sd-Wan Manager | 18.3.1.1 |
| Cisco | Catalyst Sd-Wan Manager | 18.3.3 |
| Cisco | Catalyst Sd-Wan Manager | 18.3.3.1 |
| Cisco | Catalyst Sd-Wan Manager | 18.3.4 |
| Cisco | Catalyst Sd-Wan Manager | 18.3.5 |
| Cisco | Catalyst Sd-Wan Manager | 18.3.6 |
| Cisco | Catalyst Sd-Wan Manager | 18.3.6.1 |
| Cisco | Catalyst Sd-Wan Manager | 18.3.7 |
| Cisco | Catalyst Sd-Wan Manager | 18.3.8 |
| Cisco | Catalyst Sd-Wan Manager | 18.4.0 |
| Cisco | Catalyst Sd-Wan Manager | 18.4.0.1 |
| Cisco | Catalyst Sd-Wan Manager | 18.4.1 |
| Cisco | Catalyst Sd-Wan Manager | 18.4.3 |
| Cisco | Catalyst Sd-Wan Manager | 18.4.4 |
| Cisco | Catalyst Sd-Wan Manager | 18.4.5 |
| Cisco | Catalyst Sd-Wan Manager | 18.4.6 |
| Cisco | Catalyst Sd-Wan Manager | 18.4.302 |
| Cisco | Catalyst Sd-Wan Manager | 18.4.303 |
| Cisco | Catalyst Sd-Wan Manager | 18.4.501_es |
| Cisco | Catalyst Sd-Wan Manager | 19.0.0 |
| Cisco | Catalyst Sd-Wan Manager | 19.0.1a |
| Cisco | Catalyst Sd-Wan Manager | 19.1.0 |
| Cisco | Catalyst Sd-Wan Manager | 19.2.0 |
| Cisco | Catalyst Sd-Wan Manager | 19.2.1 |
| Cisco | Catalyst Sd-Wan Manager | 19.2.2 |
| Cisco | Catalyst Sd-Wan Manager | 19.2.3 |
| Cisco | Catalyst Sd-Wan Manager | 19.2.4 |
| Cisco | Catalyst Sd-Wan Manager | 19.2.4.0.1 |
| Cisco | Catalyst Sd-Wan Manager | 19.2.31 |
| Cisco | Catalyst Sd-Wan Manager | 19.2.32 |
| Cisco | Catalyst Sd-Wan Manager | 19.2.097 |
| Cisco | Catalyst Sd-Wan Manager | 19.2.098 |
| Cisco | Catalyst Sd-Wan Manager | 19.2.099 |
| Cisco | Catalyst Sd-Wan Manager | 19.2.929 |
| Cisco | Catalyst Sd-Wan Manager | 19.3.0 |
| Cisco | Catalyst Sd-Wan Manager | 20.1.1 |
| Cisco | Catalyst Sd-Wan Manager | 20.1.1.1 |
| Cisco | Catalyst Sd-Wan Manager | 20.1.2 |
| Cisco | Catalyst Sd-Wan Manager | 20.1.2_937 |
| Cisco | Catalyst Sd-Wan Manager | 20.1.12 |
Showing 50 of 63 affected configurations. See NVD for the full list.
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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