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CVE-2021-41555

20
FAUCET Score

CVE-2021-41555 describes a Cross-Site Scripting (XSS) vulnerability in ARCHIBUS Web Central version 21.3.3.815, an unsupported product. The vulnerability arises from insufficient input validation, allowing malicious HTML or JavaScript to be embedded in HTTP responses. With a CVSS score of 6.1 (Medium), this vulnerability requires user interaction (UI:R) and could lead to low impact on confidentiality and integrity (C:L, I:L). There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion, and it is not listed in the KEV catalog.

Impacted Technologies

VendorProductVersion(s)CPE
21.3.3.815CPE matchmatch criteria
cpe:2.3:a:archibus:web_central:21.3.3.815:*:*:*:*:*:*:*

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
0.74%
Probability of exploitation in next 30 days
EPSS Percentile
51.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0075 is in the 57th percentile among its peer group of 26,220 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

gruppotim.it / redteam
Third Party Advisory