CVE-2022-20707
HighExploitedPublic exploitMultiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker to do any of the following: Execute arbitrary code Elevate privileges Execute arbitrary commands Bypass authentication and authorization protections Fetch and…
Published Feb 11, 2022 · Updated Nov 6, 2024
Key Facts
Patch immediately- CVE-2022-20707 is a high-severity vulnerability (CVSS 7.3 v3.1) affecting Rv340 Firmware (Cisco), Rv340w Firmware (Cisco), Rv345 Firmware (Cisco) and 2 more products.
- It is exploited in the wild, listed in Industry KEV feed since Sep 18, 2024. Public exploit code is available.
- EPSS estimates a 75% probability of exploitation in the next 30 days.
- Fixed versions are available, including Rv340 Firmware <=1.0.03.24, Rv340w Firmware <=1.0.03.24, Rv345 Firmware <=1.0.03.24.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
7.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS (30-day exploit likelihood)
75%
Higher than 99.5% of all scored CVEs
Exploited in the wild
Yes
1 catalog listing
Public exploit code
Available
Proof-of-concept or weaponized module
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Description
Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker to do any of the following: Execute arbitrary code Elevate privileges Execute arbitrary commands Bypass authentication and authorization protections Fetch and run unsigned software Cause denial of service (DoS) For more information about these vulnerabilities, see the Details section of this advisory.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Sep 18, 2024 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
5 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Rv340 FirmwareCisco | See advisory | 1.0.03.24 |
| Rv340w FirmwareCisco | See advisory | 1.0.03.24 |
| Rv345 FirmwareCisco | See advisory | 1.0.03.24 |
| Rv345p FirmwareCisco | See advisory | 1.0.03.24 |
| Cisco Small Business RV Series Router Firmware | >= n/a | n/a |
Patched Releases
Rv340 Firmware
<=1.0.03.24
Rv340w Firmware
<=1.0.03.24
Rv345 Firmware
<=1.0.03.24
Rv345p Firmware
<=1.0.03.24
Timeline
Publicly disclosed
Feb 11, 2022
Added to Industry KEV feed
Sep 18, 2024
Last updated
Nov 6, 2024
Weakness Type
- CWE-121 Stack-based Buffer Overflow
- CWE-787 Out-of-bounds Write
References
- advisoryhttps://cxsecurity.com/issue/WLB-2022020006
- advisoryhttps://github.com/rapid7/metasploit-framework
- advisoryhttps://metasploit.com/download
- advisoryhttps://threatpost.com/critical-cisco-bugs-vpn-routers-cyberattacks/178199/
- advisoryhttps://threatpost.com/infosec-insider-subscription-page/?utm_source=ART&utm_medium=ART&utm_campaign=InfosecInsiders_Newsletter_Promo/
FAQ
Common Questions.
Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker to do any of the following: Execute arbitrary code Elevate privileges Execute arbitrary commands Bypass authentication and authorization protections Fetch and run unsigned software Cause denial of ser…
Affected: Rv340 Firmware (Cisco); Rv340w Firmware (Cisco); Rv345 Firmware (Cisco), among others. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Sep 18, 2024.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Rv340 Firmware <=1.0.03.24, Rv340w Firmware <=1.0.03.24, Rv345 Firmware <=1.0.03.24.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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