Cisco RV016/RV042/RV042G/RV082/RV320/RV325 Web-based Management Interface stack-based overflow

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.9 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical has been found in Cisco RV016, RV042, RV042G, RV082, RV320 and RV325. This affects an unknown part of the component Web-based Management Interface. The manipulation leads to stack-based overflow. This vulnerability is traded as CVE-2021-1336. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.
Details
A vulnerability was found in Cisco RV016, RV042, RV042G, RV082, RV320 and RV325 (Router Operating System) and classified as critical. This issue affects some unknown processing of the component Web-based Management Interface. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability.
The weakness was shared 02/05/2021 as cisco-sa-rv-overflow-ghZP68yj. It is possible to read the advisory at tools.cisco.com. The identification of this vulnerability is CVE-2021-1336. The technical details are unknown and an exploit is not publicly available.
Upgrading eliminates this vulnerability.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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: 7.2VulDB Meta Temp Score: 7.1
VulDB Base Score: 7.2
VulDB Temp Score: 6.9
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.2
NVD Vector: 🔍
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 |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Stack-based overflowCWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
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 🔍02/05/2021 🔍
02/05/2021 🔍
02/24/2021 🔍
Sources
Vendor: cisco.comAdvisory: cisco-sa-rv-overflow-ghZP68yj
Status: Confirmed
CVE: CVE-2021-1336 (🔍)
GCVE (CVE): GCVE-0-2021-1336
GCVE (VulDB): GCVE-100-169259
Entry
Created: 02/05/2021 10:23Updated: 02/24/2021 13:52
Changes: 02/05/2021 10:23 (38), 02/24/2021 13:47 (5), 02/24/2021 13:52 (17)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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