Cisco RV340/RV340W/RV345/RV345P Internal Messaging Service write-what-where condition
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.7 | $0-$5k | 0.00 |
A vulnerability classified as critical has been found in Cisco RV340, RV340W, RV345 and RV345P (Router Operating System) (the affected version unknown). This affects an unknown part of the component Internal Messaging Service. The manipulation with an unknown input leads to a write-what-where condition vulnerability. CWE is classifying the issue as CWE-123. Any condition where the attacker has the ability to write an arbitrary value to an arbitrary location, often as the result of a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability.
The weakness was published 05/06/2021 as cisco-sa-rv-34x-privesc-GLN8ZAQE. It is possible to read the advisory at tools.cisco.com. This vulnerability is uniquely identified as CVE-2021-1520. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/09/2021).
Upgrading eliminates this vulnerability.
Product
Type
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.0VulDB Meta Temp Score: 6.7
VulDB Base Score: 7.0
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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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: Write-what-where conditionCWE: CWE-123 / CWE-119
ATT&CK: Unknown
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
11/13/2020 🔍05/06/2021 🔍
05/06/2021 🔍
05/09/2021 🔍
Sources
Vendor: cisco.comAdvisory: cisco-sa-rv-34x-privesc-GLN8ZAQE
Status: Confirmed
CVE: CVE-2021-1520 (🔍)
Entry
Created: 05/06/2021 17:41Updated: 05/09/2021 09:49
Changes: 05/06/2021 17:41 (37), 05/09/2021 09:48 (5), 05/09/2021 09:49 (1)
Complete: 🔍
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