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CVE-2021-33484

24
FAUCET Score

CVE-2021-33484 is a high-severity vulnerability in OnyakTech Comments Pro 3.8, allowing attackers to spoof user identities. By decompiling the installer, an attacker can discover a hardcoded Initialization Vector (IV) and decrypt an encryption key, enabling them to encrypt arbitrary user IDs and usernames. This allows for unauthorized comment posting under another user's identity. The vulnerability has a CVSS score of 7.5 (High) due to its network-based attack vector and low attack complexity, leading to high confidentiality impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
3.8CPE matchmatch criteria
cpe:2.3:a:onyaktech_comments_pro_project:onyaktech_comments_pro:3.8:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.89%
Probability of exploitation in next 30 days
EPSS Percentile
55.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0089 is in the 30th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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

burninatorsec.blogspot.com / 2021/07/onyaktech-comments-pro-broken.html
ExploitThird Party Advisory
twitter.com / onyaktech
Third Party Advisory