How severe is CVE-2020-5560?

CVE-2020-5560 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-2020-5560 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-5560?

CVE-2020-5560 primarily affects Wl-enq Project Wl-enq. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-5560?

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-2020-5560 published?

CVE-2020-5560 was published on 2020-03-25 and last updated on 2026-06-17.

CVE-2020-5560

CVE-2020-5560 is a critical-severity vulnerability in Wl-enq Project Wl-enq 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. The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Wl-enq Project Wl-enq
Published: 2020-03-25
Last modified: 2026-06-17

Description

WL-Enq 1.11 and 1.12 allows remote attackers to execute arbitrary OS commands with the administrative privilege via unspecified vectors.

Frequently asked questions

What is CVE-2020-5560?: WL-Enq 1.11 and 1.12 allows remote attackers to execute arbitrary OS commands with the administrative privilege via unspecified vectors.
How severe is CVE-2020-5560?: CVE-2020-5560 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-2020-5560 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-5560?: CVE-2020-5560 primarily affects Wl-enq Project Wl-enq. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-5560?: 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-2020-5560 published?: CVE-2020-5560 was published on 2020-03-25 and last updated on 2026-06-17.

References

https://jvn.jp/en/jp/JVN27951364/index.html

Affected products (2)

cpe:2.3:a:wl-enq_project:wl-enq:1.11:*:*:*:*:*:*:*
cpe:2.3:a:wl-enq_project:wl-enq:1.12:*:*:*:*:*:*:*

More vulnerabilities in Wl-enq Project Wl-enq

CVE-2020-5559 — Medium (CVSS 6.1): Cross-site scripting vulnerability in WL-Enq 1.11 and 1.12 allows remote attackers to inject arbitrary web script or…

All CVEs affecting Wl-enq Project Wl-enq →

Other CWE-78 (OS Command Injection) vulnerabilities

CVE-2026-56004 — Critical (CVSS 10.0): A shellcode injection in the mercurial handler of the obs tar_scm source service before version 0.12.4 could be used by…
CVE-2026-56415 — Critical (CVSS 10.0): Storage Concentrator (SC & SCVM) contains a command injection vulnerability within the debug.pl script that is…
CVE-2026-56413 — Critical (CVSS 10.0): Storage Concentrator (SC & SCVM) contains a command injection vulnerability in the ms_service.pl service, which listens…
CVE-2026-49869 — Critical (CVSS 10.0): Kestra is an open-source, event-driven orchestration platform. Prior to 1.0.45 and 1.3.21, AuthenticationFilter in…
CVE-2026-49261 — Critical (CVSS 10.0): MariaDB server is a community developed fork of MySQL server. Versions 10.6.1 through 10.6.26, 10.11.1 through…
CVE-2026-10520 — Critical (CVSS 10.0): An OS Command Injection vulnerability in Ivanti Sentry before the R10.5.2, R10.6.2 and R10.7.1 versions allows a…

Browse all CWE-78 (OS Command Injection) vulnerabilities →