CVE-2020-11977 json
Shell command injection in Apache Syncope
published 2020-09-15 6 y ago modified 2026-06-17 4 mo ago also GHSA-p2rp-cmjq-r7wm , EUVD-2021-1367
- cvss
- 7.2
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.9%
- EPSS 2.9% chance of exploitation in 30 days, percentile 86%
- public exploits
- 0
- none known
Summary
In Apache Syncope 2.1.X releases prior to 2.1.7, when the Flowable extension is enabled, an administrator with workflow entitlements can use Shell Service Tasks to perform malicious operations, including but not limited to file read, file write, and code execution.
Patch / fix
- maven org.apache.syncope:syncope 2.1.7
- apache syncope 2.1.7
Exploit prediction
2.86% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 8.5 | AV:N/AC:M/Au:S/C:C/I:C/A:C |
| GitHub | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | org.apache.syncope:syncope | >=2.1.0, <2.1.7 |
2.1.7 |
Affected products
- n/a Apache Syncope
Classification
- Weakness
-
- CWE-78 Improper Neutralization of Special Elements used in an OS Command
References
Sources
- CVE List CVE-2020-11977
- GitHub Advisory GHSA-p2rp-cmjq-r7wm
- NVD CVE-2020-11977
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