CVE-2021-1472
Cisco Small Business RV Series Routers Vulnerabilities
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Description
Multiple vulnerabilities exist in the web-based management interface of Cisco Small Business RV Series Routers. A remote attacker could execute arbitrary commands or bypass authentication and upload files on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.
Official description from the CVE record, published by cisco. Copyright © 1999-2026 The MITRE Corporation. See /security/cve/legal for the CVE license. View the record on cve.org
Key data
CVSS 3.1 Medium 5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector: Network
The vulnerable component can be reached over a network, possibly from the Internet.
Attack complexity: Low
No special conditions are needed. The attack can be repeated at will.
Privileges required: None
No account or privileges are needed.
User interaction: None
No action from any user is needed.
Scope: Unchanged
The impact stays within the vulnerable component.
Confidentiality impact: None
No effect on the secrecy of data.
Integrity impact: Low
Limited effect on the trustworthiness of data.
Availability impact: None
No effect on availability.
| Metric | Value | What it means |
|---|---|---|
| Attack vector | Network | The vulnerable component can be reached over a network, possibly from the Internet. |
| Attack complexity | Low | No special conditions are needed. The attack can be repeated at will. |
| Privileges required | None | No account or privileges are needed. |
| User interaction | None | No action from any user is needed. |
| Scope | Unchanged | The impact stays within the vulnerable component. |
| Confidentiality impact | None | No effect on the secrecy of data. |
| Integrity impact | Low | Limited effect on the trustworthiness of data. |
| Availability impact | None | No effect on availability. |
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EPSS
- Score
- 0.72028 (72.0% probability)
- Percentile
- 99.4%
- Scores of
- Nov 10, 2026
- Model
- v2026.06.15
CISA assessment as of Nov 8, 2024
- Exploitation
- Public proof of concept recorded by CISA
- Automatable
- yes
- Technical impact
- partial
Weakness (CWE)
- CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
Affected products
Cisco Small Business RV Series Router Firmware
- affected: n/a
References
- 20210407 Cisco Small Business RV Series Routers Vulnerabilities (tools.cisco.com)vendor-advisory
- 20210419 [CVE-2021-1472/CVE-2021-1473] Cisco RV Series Authentication Bypass and Remote Command Execution (seclists.org)mailing-list
- packetstormsecurity.com/files/162238/Cisco-RV-Authenticatio…
Timeline
- ID reserved
- Record published
- Record last updated
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About CubePath
Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:51 UTC. Sources and licenses