What is CVE-2020-1959?

CVE-2020-1959 is a critical-severity vulnerability in Apache Syncope, classified under Improper Neutralization of Special Elements used in an Expression Language Statement (Expression Language Injection). CVSS score: 9.8/10. Published 2020-05-04.

How severe is CVE-2020-1959?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Apache Syncope

CVE-2020-1959

A Server-Side Template Injection was identified in Apache Syncope prior to 2.1.6 enabling attackers to inject arbitrary Java EL expressions, leading to an unauthenticated Remote Code Execution (RCE) vulnerability. Apache Syncope uses Java…

Vulnerability class: Log4Shell (CVE-2021-44228)

EPSS: 0.048 (91.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Apache Syncope
N/a Apache Syncope — versions Apache Syncope 2.1.X releases prior to 2.1.6

Weakness classification (CWE)

CWE-917 — Improper Neutralization of Special Elements used in an Expression Language Statement (Expression Language Injection)

References

security@apache.org (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2020-1959?: CVE-2020-1959 is a critical-severity vulnerability in Apache Syncope, classified under Improper Neutralization of Special Elements used in an Expression Language Statement (Expression Language Injection). CVSS score: 9.8/10. Published 2020-05-04.
How severe is CVE-2020-1959?: Critical severity. CVSS v3 base score is 9.8 out of 10.