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CVE-2021-32826

26
FAUCET Score

CVE-2021-32826 affects Proxyee-Down, an open-source proxy software. An attacker can execute arbitrary commands on a system running Proxyee-Down by providing a malicious extension script, potentially through a Man-in-the-Middle attack or by hosting a compromised extension. This vulnerability is rated as HIGH severity (CVSS 8.1), indicating a critical risk due to its network-based attack vector and high impact on confidentiality, integrity, and availability. There is currently no patched version available, and while no active exploitation or public exploit code has been identified, the vulnerability has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:proxyee-down_project:proxyee-down:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.8MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
4.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.14%
Probability of exploitation in next 30 days
EPSS Percentile
63.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0114 is in the 26th percentile among its peer group of 8,920 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 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

securitylab.github.com / advisories/GHSL-2021-053-proxyee-down
ExploitThird Party Advisory