CVE-2022-27518

criticalpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.069 · 94 %ileexploit · PoCDEEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV · 1 exploit · PoC

Likely / severe?

6.86% (94th) EPSS

CVSS 9.8 · critical

Is it mine?

15 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

added 2022-12-13remediate by 2023-01-03

required action Apply updates per vendor instructions.

EPSS · scored 2026-10-24

Citrix Application Delivery Controller (ADC) and Gateway Authentication Bypass Vulnerability

Unauthenticated remote arbitrary code execution

cvss

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

9.8

010

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

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · secure@citrix.comexploitability 3.9 · impact 5.9

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

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

Exploitation: active · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-664USCWE-664US

exploits (1)

Public proof-of-concept and weaponised exploit code.

dolby360/CVE-2022-27518_POCA POC on how to exploit CVE-2022-27518 PoC · poc_in_github

affected products (15)

Products and version ranges known to be affected.

Citrix Systems ADC FIPS < 12.1-55.291all versionscert_bundDEcpe:/o:citrix:application_delivery_controller_firmware:12.1-55.291::fips
Citrix Systems ADC NDcPP < 12.1-55.291all versionscert_bundDEcpe:/o:citrix:application_delivery_controller_firmware:12.1-55.291::ndcpp
Citrix Citrix Gateway, Citrix ADC≤ 12.1 FIPs, NDcPPenisa_euvdEU
Citrix Citrix Gateway, Citrix ADC≤ 13.0enisa_euvdEU
Citrix Citrix Gateway, Citrix ADC≤ 12.1enisa_euvdEU
Citrix Systems Inc. Citrix ADC12.1 → 12.1-55.291fstec_bduRU
Citrix Systems Inc. Citrix ADC12.1 → 12.1-65.25fstec_bduRU
Citrix Systems Inc. Citrix ADC13.0 → 13.0-58.32fstec_bduRU
Citrix Systems Inc. Citrix Gateway12.1 → 12.1-65.25fstec_bduRU
Citrix Systems Inc. Citrix Gateway13.0 → 13.0-58.32fstec_bduRU
citrix application delivery controller firmware12.1 → 12.1-55.291nvdUScpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:*
citrix application delivery controller firmware12.1 → 12.1-65.25nvdUScpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:*
citrix application delivery controller firmware13.0 → 13.0-58.32nvdUScpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:*
citrix gateway firmware12.1 → 12.1-65.25nvdUScpe:2.3:o:citrix:gateway_firmware:*:*:*:*:*:*:*:*
citrix gateway firmware13.0 → 13.0-58.32nvdUScpe:2.3:o:citrix:gateway_firmware:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2022-2317Citrix Systems ADC: Schwachstelle ermöglicht CodeausführungDeutsch2022-12-13csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Citrix Systems ADC und Citrix Systems Citrix Gateway ausnutzen, um beliebigen Programmcode auszuführen.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd NVD CVE.org MITRE

published 2022-12-13modified 2026-06-17

references (7)

External citations — patches, advisories, analysis.

scry

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