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-2017-17382

37
FAUCET Score

CVE-2017-17382 describes a Bleichenbacher RSA padding oracle vulnerability, also known as a ROBOT attack, affecting specific versions of Citrix NetScaler Application Delivery Controller (ADC) and NetScaler Gateway. This medium-severity vulnerability (CVSS 5.9) allows remote attackers to decrypt TLS ciphertext data due to a weakness in cryptographic practices (CWE-327), with a high impact on confidentiality. While not in the KEV catalog, its EPSS score indicates a higher than average likelihood of exploitation, and a Metasploit scanner module exists. The vulnerability has garnered significant community discussion and media coverage, suggesting awareness and potential for exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
10.5CPE matchmatch criteria
cpe:2.3:o:citrix:application_delivery_controller_firmware:10.5:*:*:*:*:*:*:*
11.0CPE matchmatch criteria
cpe:2.3:o:citrix:application_delivery_controller_firmware:11.0:*:*:*:*:*:*:*
11.1CPE matchmatch criteria
cpe:2.3:o:citrix:application_delivery_controller_firmware:11.1:*:*:*:*:*:*:*
12.0CPE matchmatch criteria
cpe:2.3:o:citrix:application_delivery_controller_firmware:12.0:*:*:*:*:*:*:*
10.5CPE matchmatch criteria
cpe:2.3:o:citrix:netscaler_gateway_firmware:10.5:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.9MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
13.82%
Probability of exploitation in next 30 days
EPSS Percentile
96.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
Metasploit: Scanner for Bleichenbacher Oracle in RSA PKCS #1 v1.5 · Jun 17, 2009
This CVE's current EPSS score of 0.1382 is in the 96th percentile among its peer group of 19,955 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

citrixvendor investigatingvia nvd_reference
View patch

References

robotattack.org
Third Party Advisory
support.citrix.com / article/ctx230238
Vendor Advisory
kb.cert.org / vuls/id/144389
Third Party AdvisoryUS Government Resource
securityfocus.com / bid/102173
Third Party AdvisoryVDB Entry
securitytracker.com / id/1039985
Third Party AdvisoryVDB Entry