CVE-2023-20218: cisco cisco small business ip phones
Vulnerability summary
CVE-2023-20218 is a medium (CVSS 6.1) vulnerability in cisco cisco small business ip phones. EPSS estimates a 0.45% chance of exploitation in the next 30 days, higher than 38% of scored vulnerabilities.
Timeline
- 03-08-2023PublishedVulnerability first disclosed.
- 17-10-2024Last modifiedVulnerability information updated.
Description
A vulnerability in web-based management interface of Cisco SPA500 Series Analog Telephone Adapters (ATAs) could allow an authenticated, remote attacker to to modify a web page in the context of a user's browser. This vulnerability is due to insufficient validation of user-supplied input by the web-based management interface of the affected software. An attacker could exploit this vulnerability by persuading a user to click a crafted link. A successful exploit could allow the attacker to alter the contents of a web page to redirect the user to potentially malicious websites, or the attacker could use this vulnerability to conduct further client-side attacks. Cisco will not release software updates that address this vulnerability. {{value}} ["%7b%7bvalue%7d%7d"])}]]
CVSS metrics
2 scores · 2 sources · 1 version- CVE.orgCNA5.8MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:NDiffers
EPSS trend
Probability
0.45%
Chance of exploitation in the next 30 days
Percentile
38%
Versus all other CVEs
30-day change
0.00 pp
From 0.45% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-80Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages.
- CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
Affected systems
Cisco13 products
- cisco small business ip phones7.6.0 | 7.6.2 | 7.6.2SR3 | 7.6.2SR6 | 7.6.2SR2 | 7.6.2SR4 | 7.6.2SR1 | 7.6.2SR5 | 7.6.2SR7 | 7.6.1 | 7.3.7 | 7.5.5 | 7.5.6(XU) | 7.5.2 | 7.5.2a | 7.5.7 | 7.5.3 | 7.5.6 | 7.5.2b | 7.5.6c | 7.5.6a | 7.5.7s | 7.5.1 | 7.5.5a | 7.5.5b | 7.5.4 | 7.4.7 | 7.4.4 | 7.4.8 | 7.4.3 | 7.4.9 | 7.4.6
- spa500ds_firmwarena
- spa500s_firmwarena
- spa501g_firmwarena
- spa502g_firmwarena
1 vendor · 13 products
References
1 links- sec.cloudapps.cisco.com/security/…Vendor Advisory