CVE-2023-4967

highpriority · track · 30EPSS 0.011 · 65 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.09% (65th) EPSS

CVSS 7.5 · high

Is it mine?

23 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-24

Denial of Service in NetScaler ADC and NetScaler Gateway when configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA Virtual Server

cvss

Technical severity, 0–10. One row per scoring source.

8.2

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.18.2highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Hsecondary · FSTEC (BDU) RU

v3.18.2highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Hsecondary · ENISA EU

v3.18.2highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Hsecondary · secure@citrix.comexploitability 3.9 · impact 4.2

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USprimaryCWE-119US

affected products (23)

Products and version ranges known to be affected.

Cloud Software Group NetScaler ADC12.1-FIPS → 55.300enisa_euvdEU
Cloud Software Group NetScaler ADC12.1-NDcPP → 55.300enisa_euvdEU
Cloud Software Group NetScaler ADC13.0 → 92.19enisa_euvdEU
Cloud Software Group NetScaler ADC13.1 → 49.15enisa_euvdEU
Cloud Software Group NetScaler ADC13.1-FIPS → 37.164enisa_euvdEU
Cloud Software Group NetScaler ADC14.1 → 8.50enisa_euvdEU
Cloud Software Group NetScaler Gateway13.0 → 92.19enisa_euvdEU
Cloud Software Group NetScaler Gateway13.1 → 49.15enisa_euvdEU
Cloud Software Group NetScaler Gateway14.1 → 8.50enisa_euvdEU
Citrix Systems Inc. Citrix ADC13.0 → 13.0-92.19fstec_bduRU
Citrix Systems Inc. Citrix ADC13.1 → 13.1-49.15fstec_bduRU
Citrix Systems Inc. Citrix ADC14 → 14.1-8.50fstec_bduRU
Citrix Systems Inc. Citrix Gateway13.0 → 13.0-92.19fstec_bduRU
Citrix Systems Inc. Citrix Gateway13.1 → 13.1-49.15fstec_bduRU
Citrix Systems Inc. Citrix Gateway14 → 14.1-8.50fstec_bduRU
citrix netscaler application delivery controller12.1 → 12.1-55.300nvdUScpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:*:*:*:*
citrix netscaler application delivery controller13.0 → 13.0-92.19nvdUScpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:*:*:*:*
citrix netscaler application delivery controller13.1 → 13.1-37.164nvdUScpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:*:*:*:*
citrix netscaler application delivery controller13.1 → 13.1-49.15nvdUScpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:*:*:*:*
citrix netscaler application delivery controller14.1 → 14.1-8.50nvdUScpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:*:*:*:*

showing 20 of 23

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-2605Citrix Systems ADC: Mehrere SchwachstellenDeutsch2023-10-10csaf · cert_bundDE
Ein entfernter anonymer Angreifer kann mehrere Schwachstellen in Citrix Systems ADC und Citrix Systems Citrix Gateway ausnutzen, um Informationen offenzulegen oder einen Denial-of-Service-Zustand auszulösen.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd cert_bund NVD CVE.org MITRE

published 2023-10-27modified 2026-06-17

related (21,002)

Related entries.

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Memory overflow vulnerability NetScaler ADC and NetScaler Gateway leading to unpredictable or erroneous behavior and Denial of Service if the appliance is configured as a Gateway (…
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In the Linux kernel, the following vulnerability has been resolved: netfilter: bridge: make ebt_snat ARP rewrite writable The ebtables SNAT target keeps the Ethernet source addre…
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+20997 more

references (4)

External citations — patches, advisories, analysis.

scry

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