CVE-2020-27514
CWE-22Published: August 11, 2023· Updated: Jun 17, 2026
Official Description
Directory Traversal vulnerability in delete function in admin.api.TemplateController in ZrLog version 2.1.15, allows remote attackers to delete arbitrary files and cause a denial of service (DoS).
Risk Analysis
ZrLog is affected by a directory traversal vulnerability that allows remote attackers to delete arbitrary files, leading to a denial of service. This critical vulnerability is rated 9.1.
No public exploit is known, and it is not in the CISA KEV. The vulnerability is remotely exploitable with low complexity.
Update ZrLog to a version that remediates the directory traversal flaw in the TemplateController.
Technical Analysis
CVE-2020-27514 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.1.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
All References (2)
Quick Facts
Related CVEs (CWE-22)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-27514 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts