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CVE-2020-4545

21
FAUCET Score

CVE-2020-4545 is a high-severity vulnerability in IBM Aspera Connect 3.9.9 that allows remote attackers to execute arbitrary code. This is due to improper loading of Dynamic Link Libraries (DLLs) when a victim is persuaded to open a specially-crafted DLL file. The vulnerability has a CVSS score of 7.8, indicating high impact on confidentiality, integrity, and availability, and requires user interaction. While no public exploits or active exploitation have been observed, and community discussion is minimal, the potential for arbitrary code execution makes it a significant concern.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.9.9CPE matchmatch criteria
cpe:2.3:a:ibm:aspera_connect:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.00%
Probability of exploitation in next 30 days
EPSS Percentile
85.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0300 is in the 86th percentile among its peer group of 11,621 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, 0.1 Bluesky, 0.0 Mastodon, and 0.2 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

exchange.xforce.ibmcloud.com / vulnerabilities/183190
VDB EntryVendor Advisory
ibm.com / support/pages/node/6326537
Vendor Advisory