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CVE-2024-5491

22
FAUCET Score

CVE-2024-5491 is a Denial of Service vulnerability affecting NetScaler ADC and NetScaler Gateway products. It carries a high CVSS score of 7.5, indicating a severe impact where an unauthenticated attacker can remotely disrupt service with low attack complexity. While the vulnerability is not currently listed in CISA's KEV catalog and lacks public exploit code or significant community discussion, its potential for service disruption warrants attention.

Impacted Technologies

VendorProductVersion(s)CPE
>= 12.1, < 12.1-55.304CPE matchmatch criteria
cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*
>= 12.1, < 12.1-55.304CPE matchmatch criteria
cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:ndcpp:*:*:*
>= 12.1, < 13.0-92.31CPE matchmatch criteria
cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*
>= 13.1, < 13.1-37.183CPE matchmatch criteria
cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*
>= 13.1, < 13.1-53.17CPE matchmatch criteria
cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*

CVSS Data

CVSS version used by this source: 4.0

7.2HIGH

CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
ADJACENT
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
VS Confidentiality
HIGH
VS Integrity
LOW
VS Availability
HIGH
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.76%
Probability of exploitation in next 30 days
EPSS Percentile
51.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0076 is in the 27th percentile among its peer group of 51,551 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

Vendor Patches (1)

citrixvendor investigatingvia nvd_reference
View patch

References

support.citrix.com / external/article
Vendor Advisory
support.citrix.com / article/CTX677944/netscaler-adc-and-netscaler-gateway-security-bulletin-for-cve20245491-and-cve20245492
Broken Link