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CVE-2019-9884

25
FAUCET Score

CVE-2019-9884 describes a critical authentication bypass vulnerability in the eClass platform, specifically affecting versions prior to 2.5.10.2.1. An unauthenticated attacker can exploit this by using a GETS method request to the /admin page, bypassing password validation and gaining unauthorized access to the management interface. With a CVSS score of 9.8 (Critical), this vulnerability allows for complete compromise of confidentiality, integrity, and availability (C:H/I:H/A:H) with low attack complexity and no user interaction required. Despite its severity, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.5.10.2.1CPE matchmatch criteria
cpe:2.3:a:eclass:eclass_ip:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.96%
Probability of exploitation in next 30 days
EPSS Percentile
85.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0296 is in the 77th percentile among its peer group of 36,833 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

tvn.twcert.org.tw / taiwanvn/TVN-201904004
Third Party Advisory
surl.twcert.org.tw / b7jfz
Third Party Advisory
zeroday.hitcon.org / vulnerability/ZD-2019-00332
ExploitThird Party Advisory