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CVE-2020-21993

21
FAUCET Score

CVE-2020-21993 describes a reflected Cross-Site Scripting (XSS) vulnerability in WEMS Limited Enterprise Manager version 2.58. An attacker can inject arbitrary HTML code into a user's browser session by manipulating the 'email' GET parameter, as the input is not properly sanitized. This vulnerability has a CVSS score of 6.1 (Medium), indicating it can be exploited remotely with low attack complexity, requiring user interaction, and potentially leading to low impact on confidentiality and integrity. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.19.7959CPE matchmatch criteria
cpe:2.3:a:wems:enterprise_manager:2.19.7959:*:*:*:*:*:*:*
2.55.8782CPE matchmatch criteria
cpe:2.3:a:wems:enterprise_manager:2.55.8782:*:*:*:*:*:*:*
2.55.8806CPE matchmatch criteria
cpe:2.3:a:wems:enterprise_manager:2.55.8806:*:*:*:*:*:*:*
2.58.8903CPE matchmatch criteria
cpe:2.3:a:wems:enterprise_manager:2.58.8903:*:*:*:*:*:*:*

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
0.80%
Probability of exploitation in next 30 days
EPSS Percentile
53.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0080 is in the 61st percentile among its peer group of 26,221 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

cxsecurity.com / issue/WLB-2020010032
ExploitThird Party Advisory
zeroscience.mk / en/vulnerabilities/ZSL-2019-5551.php
ExploitThird Party Advisory