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-2017-12814

33
FAUCET Score

CVE-2017-12814 describes a critical stack-based buffer overflow vulnerability in the CPerlHost::Add method within Perl for Windows, affecting versions before 5.24.3-RC1 and 5.26.1-RC1. This flaw allows unauthenticated attackers to execute arbitrary code remotely by supplying a specially crafted, long environment variable. With a CVSS score of 9.8, it poses a high risk to confidentiality, integrity, and availability, but its EPSS score is low, suggesting a minimal likelihood of exploitation. Currently, there is no public exploit code available in Metasploit, Nuclei, or ExploitDB, and it is not listed in CISA's KEV catalog, indicating no active exploitation. Community discussion and media coverage are also absent, suggesting a low profile for this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 5.24.2CPE matchmatch criteria
cpe:2.3:a:perl:perl:*:*:*:*:*:*:*:*
5.26.0CPE matchmatch criteria
cpe:2.3:a:perl:perl:5.26.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
6.98%
Probability of exploitation in next 30 days
EPSS Percentile
93.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0698 is in the 88th percentile among its peer group of 36,897 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

perl5.git.perl.org / perl.git/log/refs/tags/v5.24.3-RC1
Release NotesVendor Advisory
perl5.git.perl.org / perl.git/log/refs/tags/v5.26.1-RC1
Release NotesVendor Advisory
rt.perl.org / Public/Bug/Display.html
ExploitPatchVendor Advisory
security.netapp.com / advisory/ntap-20180426-0001
oracle.com / security-alerts/cpujul2020.html
securityfocus.com / bid/101051
Third Party AdvisoryVDB Entry