CVE-2021-44526
CVE-2021-44526 is a critical-severity vulnerability in Zohocorp Manageengine Servicedesk Plus with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 6.8
- EPSS exploit prediction: 3% (87th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Zohocorp Manageengine Servicedesk Plus
- Published:
- Last modified:
Description
Zoho ManageEngine ServiceDesk Plus before 12003 allows authentication bypass in certain admin configurations.
Frequently asked questions
- What is CVE-2021-44526?
- Zoho ManageEngine ServiceDesk Plus before 12003 allows authentication bypass in certain admin configurations.
- How severe is CVE-2021-44526?
- CVE-2021-44526 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-44526 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-44526?
- CVE-2021-44526 primarily affects Zohocorp Manageengine Servicedesk Plus. In total, 365 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2021-44526?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2021-44526 published?
- CVE-2021-44526 was published on 2021-12-23 and last updated on 2026-06-17.
References
Affected products (365)
- cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:8.1:-:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:8.2:-:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:8.2:8201:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:8.2:8202:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:8.2:8203:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:8.2:8204:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:8.2:8205:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:8.2:8206:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:8.2:8207:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:8.2:8208:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:8.2:8209:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:8.2:8210:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:8.2:8211:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:8.2:8212:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:8.2:8213:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:8.2:8214:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:8.2:8215:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:8.2:8216:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:8.2:8217:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:9.0:-:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:9.0:9000:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:9.0:9001:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:9.0:9002:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:9.0:9003:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:9.0:9004:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:9.0:9005:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:9.0:9006:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:9.0:9007:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:9.0:9008:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:9.0:9009:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:9.0:9010:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:9.0:9011:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:9.0:9012:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:9.0:9013:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:9.0:9014:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:9.0:9016:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:9.0:9017:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:9.0:9018:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:9.0:9019:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_servicedesk_plus:9.0:9020:*:*:*:*:*:*
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