CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.9 | $0-$5k | 0.10 |
A vulnerability was found in Sapido BR270n, BRC76n, GR297 and RB1732 (version unknown) and classified as critical. Affected by this issue is an unknown function of the file ip/syscmd.htm. The manipulation with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability.
The weakness was disclosed 11/30/2022. The advisory is shared for download at blog.csdn.net. This vulnerability is handled as CVE-2021-4242. Technical details as well as a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1202.
The exploit is available at github.com. It is declared as proof-of-concept. By approaching the search of inurl:ip/syscmd.htm it is possible to find vulnerable targets with Google Hacking.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Product
Vendor
Name
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.1VulDB Meta Temp Score: 6.9
VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.8
NVD Vector: 🔍
CNA Base Score: 6.3
CNA Vector (VulDB): 🔍
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: Os command injectionCWE: CWE-78 / CWE-74 / CWE-707
ATT&CK: T1202
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍
Google Hack: 🔍
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: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
11/30/2022 🔍11/30/2022 🔍
11/30/2022 🔍
12/24/2022 🔍
Sources
Advisory: blog.csdn.netStatus: Not defined
CVE: CVE-2021-4242 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20150716
Entry
Created: 11/30/2022 12:28Updated: 12/24/2022 19:21
Changes: 11/30/2022 12:28 (39), 12/24/2022 19:13 (2), 12/24/2022 19:21 (21)
Complete: 🔍
Submitter: ireading
Submit
Accepted
- Submit #53660: sapida router remote command execution vulnerabilities (by ireading)
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