Cisco Small Business RV Series Router Web-based Management Interface memory corruption

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.6 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Cisco Small Business RV Series Router. It has been declared as critical. The affected element is an unknown function of the component Web-based Management Interface. Such manipulation leads to memory corruption. This vulnerability is referenced as CVE-2021-1472. It is possible to launch the attack remotely. Furthermore, an exploit is available. It is recommended to upgrade the affected component.
Details
A vulnerability, which was classified as critical, has been found in Cisco Small Business RV Series Router (Router Operating System) (version now known). Affected by this issue is some unknown processing of the component Web-based Management Interface. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability.
The weakness was published 04/08/2021 as cisco-sa-sb-rv-bypass-inject-Rbhgvfdx. The advisory is shared for download at tools.cisco.com. This vulnerability is handled as CVE-2021-1472. Technical details are unknown but a public exploit is available.
The exploit is available at packetstormsecurity.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k.
Upgrading eliminates this vulnerability.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.cisco.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.3VulDB Meta Temp Score: 6.6
VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
11/13/2020 🔍04/08/2021 🔍
04/08/2021 🔍
06/25/2024 🔍
Sources
Vendor: cisco.comAdvisory: cisco-sa-sb-rv-bypass-inject-Rbhgvfdx
Status: Confirmed
CVE: CVE-2021-1472 (🔍)
GCVE (CVE): GCVE-0-2021-1472
GCVE (VulDB): GCVE-100-172640
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 04/08/2021 10:48Updated: 06/25/2024 05:02
Changes: 04/08/2021 10:48 (38), 04/11/2021 20:56 (5), 04/11/2021 20:58 (1), 06/25/2024 05:02 (23)
Complete: 🔍
Cache ID: 216::103
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