JVN#94363766
Cisco Catalyst 2940 Series Switches vulnerable to cross-site scripting
Overview
Cisco Catalyst 2940 Series Switches contains a cross-site scripting vulnerability.
Products Affected
- Cisco Catalyst 2940 Series Switches, firmware versions prior to 12.2(50)SY
Description
Cisco Catalyst 2940 Series Switches provided by Cisco Systems, Inc., with firmware versions prior to 12.2(50)SY, improperly processes user input and generates error pages, leading to a cross-site scripting vulnerability (CWE-79).
The vulnerability has been addressed on 12.2(50)SY released in 2011 (Cisco bug id: CSCek36997), and Cisco Catalyst 2940 Series Switches has been End-of-Support since 2015.
Impact
An arbitrary script may be executed on the web browser of the user who is using the product.
Solution
Stop using the products and Switch to alternative products
The developer states that the affected products are no longer supported, and recommends to use alternative unaffected products.
Vendor Status
| Vendor | Link |
| Cisco Systems, Inc. | Cisco Catalyst 2940 Series Switches - Retirement Notification |
References
JPCERT/CC Addendum
As of 2022, the product is still sold on several online marketplaces, so this advisory is published.
Vulnerability Analysis by JPCERT/CC
| Attack Vector(AV) | Physical (P) | Local (L) | Adjacent (A) | Network (N) |
|---|---|---|---|---|
| Attack Complexity(AC) | High (H) | Low (L) | ||
| Privileges Required(PR) | High (H) | Low (L) | None (N) | |
| User Interaction(UI) | Required (R) | None (N) | ||
| Scope(S) | Unchanged (U) | Changed (C) | ||
| Confidentiality Impact(C) | None (N) | Low (L) | High (H) | |
| Integrity Impact(I) | None (N) | Low (L) | High (H) | |
| Availability Impact(A) | None (N) | Low (L) | High (H) |
| Access Vector(AV) | Local (L) | Adjacent Network (A) | Network (N) |
|---|---|---|---|
| Access Complexity(AC) | High (H) | Medium (M) | Low (L) |
| Authentication(Au) | Multiple (M) | Single (S) | None (N) |
| Confidentiality Impact(C) | None (N) | Partial (P) | Complete (C) |
| Integrity Impact(I) | None (N) | Partial (P) | Complete (C) |
| Availability Impact(A) | None (N) | Partial (P) | Complete (C) |
Credit
Imaoka Ryo of Cyber Security Research Team reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
Other Information
| JPCERT Alert |
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| JPCERT Reports |
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| CERT Advisory |
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| CPNI Advisory |
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| TRnotes |
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| CVE |
CVE-2022-31734 |
| JVN iPedia |
JVNDB-2022-000044 |