CVE-2021-27557
Published: 31 August 2021
Summary
CVE-2021-27557 is a medium-severity CSRF (CWE-352) vulnerability in Easycorp Zentao. Its CVSS base score is 4.3 (Medium).
Operationally, ranked at the 30.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-14308
Vulnerability details
A cross-site request forgery (CSRF) vulnerability in the Cron job tab in EasyCorp ZenTao 12.5.3 allows attackers to update the fields of a Cron job.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Awareness training educates users on avoiding untrusted links and actions that can be exploited via CSRF.
Requiring user re-entry of credentials for sensitive actions prevents automated forgery of requests without active user participation.
Security testing regimens explicitly include checks for missing or ineffective anti-CSRF protections in web applications.
Detects anomalous request patterns consistent with cross-site request forgery.