CVE-2021-42856 describes a Cross-Site Scripting (XSS) vulnerability in the /DsaDataTest endpoint of Riverbed SteelCentral AppInternals Dynamic Sampling Agent. The vulnerability arises from insufficient input validation on the "Metric" parameter, allowing an attacker to inject malicious scripts. With a CVSS score of 6.1 (Medium), this flaw can be exploited remotely with low attack complexity, requiring user interaction to achieve partial confidentiality and integrity impacts. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 11.0.0, < 11.8.8CPE matchmatch criteria | cpe:2.3:a:riverbed:steelcentral_appinternals_dynamic_sampling_agent:*:*:*:*:*:*:*:* | ||
>= 12.0.0, < 12.13.0CPE matchmatch criteria | cpe:2.3:a:riverbed:steelcentral_appinternals_dynamic_sampling_agent:*:*:*:*:*:*:*:* | ||
10.0.0CPE matchmatch criteria | cpe:2.3:a:riverbed:steelcentral_appinternals_dynamic_sampling_agent:10.0.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.