Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2021-45027

35
FAUCET Score

CVE-2021-45027 is an arbitrary file download vulnerability affecting Oliver v5 Library Server versions prior to 5.00.008.053, stemming from unsanitized user input in the FileServlet function. This high-severity vulnerability (CVSS 7.5) allows unauthenticated attackers to remotely download arbitrary files, potentially leading to sensitive data exposure. While there is no evidence of active exploitation or Metasploit modules, Nuclei templates exist, and there is minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 8.00.008.053CPE matchmatch criteria
cpe:2.3:a:softlinkint:oliver_v5_library:*:*:*:*:*:*:*:*

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
1.64%
Probability of exploitation in next 30 days
EPSS Percentile
73.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2021-45027 · Dec 18, 2021
This CVE's current EPSS score of 0.0164 is in the 56th percentile among its peer group of 51,553 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

exploit-db.com / exploits/50599
ExploitThird Party AdvisoryVDB Entry
softlinkint.com / product/oliver
ProductVendor Advisory