CVE-2022-27507
CVE-2022-27507 is a medium-severity vulnerability in Citrix Gateway with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-400.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- EPSS exploit prediction: 1% (58th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-400
- Affected product: Citrix Gateway
- Published:
- Last modified:
Description
Authenticated denial of service
Frequently asked questions
- What is CVE-2022-27507?
- Authenticated denial of service
- How severe is CVE-2022-27507?
- CVE-2022-27507 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2022-27507 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-27507?
- CVE-2022-27507 primarily affects Citrix Gateway. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2022-27507?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2022-27507 published?
- CVE-2022-27507 was published on 2023-01-26 and last updated on 2026-06-17.
References
Affected products (4)
- cpe:2.3:a:citrix:gateway:*:*:*:*:*:*:*:*
- cpe:2.3:a:citrix:application_delivery_controller:*:*:*:*:fips:*:*:*
- cpe:2.3:a:citrix:application_delivery_controller:*:*:*:*:ndcpp:*:*:*
- cpe:2.3:a:citrix:application_delivery_controller:*:*:*:*:*:*:*:*
More vulnerabilities in Citrix Gateway
- CVE-2022-27510 — Critical (CVSS 9.8): Unauthorized access to Gateway user capabilities
- CVE-2020-8247 — High (CVSS 8.8): Citrix ADC and Citrix Gateway 13.0 before 13.0-64.35, Citrix ADC and NetScaler Gateway 12.1 before 12.1-58.15, Citrix…
- CVE-2022-27513 — High (CVSS 8.3): Remote desktop takeover via phishing
- CVE-2021-22927 — High (CVSS 8.1): A session fixation vulnerability exists in Citrix ADC and Citrix Gateway 13.0-82.45 when configured SAML service…
- CVE-2022-27508 — High (CVSS 7.5): Unauthenticated denial of service
- CVE-2021-22956 — High (CVSS 7.5): An uncontrolled resource consumption vulnerability exists in Citrix ADC <13.0-83.27, <12.1-63.22 and 11.1-65.23 that…
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