No exploitation reportedFix available

CVE-2022-27511

Q: Is CVE-2022-27511 actively exploited?

Active exploitation of CVE-2022-27511 has not been confirmed. Its EPSS score was 12.7% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2022-27511?

CVE-2022-27511 has a CVSS v3 base score of 8.1 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2022-06-16
Fixed in13.1-21.53 · 13.0-85.19
WeaknessCWE-284

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Corruption of the system by a remote, unauthenticated user. The impact of this can include the reset of the administrator password at the next device reboot, allowing an attacker with ssh access to connect with the default administrator credentials after the device has rebooted.

Timeline

dates in UTC

2022-06-1619:15CVE publishedNVD
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-27511?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-27511?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Citrix application delivery management

Branch	Affected	Fixed in	Source
13.1	≥ 13.1, < 13.1-21.53	13.1-21.53	NVD
13.0	< 13.0-85.19	13.0-85.19	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Citrix application delivery management to 13.1-21.53 · 13.0-85.19

Advisories and patches

support.citrix.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.18.1read 2026-10-23
NVDCVSS 2.07.8read 2026-10-23
CNAweakness (CWE)CWE-284read 2026-10-23
FIRST EPSSEPSS score12.7 %read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2022-06-16
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2022-27511?

Is CVE-2022-27511 actively exploited?

Active exploitation of CVE-2022-27511 has not been confirmed. Its EPSS score was 12.7% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-27511?

CVE-2022-27511 has a CVSS v3 base score of 8.1 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

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