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CVE-2025-55251

34
FAUCET Score

CVE-2025-55251 is a critical Unrestricted File Upload vulnerability affecting HCL AION, allowing attackers to upload malicious files. This flaw carries a CVSS score of 9.8, indicating a severe risk of unauthorized code execution and system compromise due to its network-based, low-complexity attack vector requiring no user interaction. While there is currently no public exploit code or evidence of active exploitation, the vulnerability has garnered significant community discussion, suggesting potential future interest from threat actors.

Impacted Technologies

VendorProductVersion(s)CPE
2.0.0CPE matchmatch criteria
cpe:2.3:a:hcltech:aion:2.0.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

3.1LOW

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
0.6
Impact Score
2.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.18%
Probability of exploitation in next 30 days
EPSS Percentile
7.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0018 is in the 0th percentile among its peer group of 36,862 CVEs.

Social Chatter

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

support.hcl-software.com / kb_view.do
Permissions Required