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CVE-2021-39285

21
FAUCET Score

CVE-2021-39285 describes a cross-site scripting (XSS) vulnerability in Versa Director Release 16.1R2 Build S8, where an attacker can inject malicious scripts via the administration web interface URL. This vulnerability has a CVSS score of 6.1 (Medium), indicating it can be exploited remotely with low complexity, requiring user interaction, and potentially leading to limited impact on confidentiality and integrity. While the vulnerability is not listed on the KEV catalog and has no known public exploits or community discussion, its presence in the administration interface warrants attention.

Impacted Technologies

VendorProductVersion(s)CPE
16.1r2CPE matchmatch criteria
cpe:2.3:a:versa-networks:versa_director:16.1r2:build_s8:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.78%
Probability of exploitation in next 30 days
EPSS Percentile
52.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0077 is in the 59th percentile among its peer group of 26,236 CVEs.

Social Chatter

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.

Media 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

Remediation records are not available for this CVE.

References

github.com / pbgt/CVEs/blob/main/CVE-2021-39285.md
ExploitThird Party Advisory
versa-networks.com
Vendor Advisory