CVE-2020-26066
Last modified
CVE-2020-26066 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A vulnerability in the web UI of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to gain read and write access to information that is stored on an affected system. The vulnerability is due to improper handling of XML External Entity (XXE) entries when parsing certain XML files. An attacker could exploit this vulnerability by persuading a user to import a crafted XML file with malicious entries. EPSS estimates a 0.59% chance of exploitation in the next 30 days.
Description
A vulnerability in the web UI of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to gain read and write access to information that is stored on an affected system. The vulnerability is due to improper handling of XML External Entity (XXE) entries when parsing certain XML files. An attacker could exploit this vulnerability by persuading a user to import a crafted XML file with malicious entries. A successful exploit could allow the attacker to read and write files within the affected application.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 | 18.4.302 |
| 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 | 19.2.31 |
| 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 | 20.1.12 |
| Cisco | Catalyst Sd-Wan Manager | 20.3.1 |
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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