How severe is CVE-2020-37206?

CVE-2020-37206 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-37206 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-37206?

CVE-2020-37206 affects Nsasoft Sharealarmpro. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-37206?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2020-37206 have an EU (EUVD) identifier?

Yes. CVE-2020-37206 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-31182.

When was CVE-2020-37206 published?

CVE-2020-37206 was published on 2026-02-11 and last updated on 2026-06-29.

CVE-2020-37206

CVE-2020-37206 is a high-severity vulnerability in Nsasoft Sharealarmpro with a CVSS 3.x base score of 7.5. 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-120.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 4.6
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2020-31182
Weakness: CWE-120
Affected product: Nsasoft Sharealarmpro
Published: 2026-02-11
Last modified: 2026-06-29

Description

ShareAlarmPro contains a denial of service vulnerability that allows attackers to crash the application by supplying an oversized registration key. Attackers can generate a 1000-character buffer payload to trigger an application crash when pasted into the registration key field.

Frequently asked questions

What is CVE-2020-37206?: ShareAlarmPro contains a denial of service vulnerability that allows attackers to crash the application by supplying an oversized registration key. Attackers can generate a 1000-character buffer payload to trigger an application crash when pasted into the registration key field.
How severe is CVE-2020-37206?: CVE-2020-37206 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-37206 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-37206?: CVE-2020-37206 affects Nsasoft Sharealarmpro. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-37206?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2020-37206 have an EU (EUVD) identifier?: Yes. CVE-2020-37206 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-31182.
When was CVE-2020-37206 published?: CVE-2020-37206 was published on 2026-02-11 and last updated on 2026-06-29.

References

Affected products (1)

cpe:2.3:a:nsasoft:sharealarmpro:-:*:*:*:*:*:*:*

More vulnerabilities in Nsasoft Sharealarmpro

CVE-2024-0772 — Medium (CVSS 5.3): A vulnerability was found in Nsasoft ShareAlarmPro 2.1.4 and classified as problematic. Affected by this issue is some…

All CVEs affecting Nsasoft Sharealarmpro →

Other CWE-120 (Classic Buffer Overflow) vulnerabilities

CVE-2025-48611 — Critical (CVSS 10.0): In DeviceId of DeviceId.java, there is a possible desync in persistence due to a missing bounds check. This could lead…
CVE-2026-24823 — Critical (CVSS 10.0): Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in FASTSHIFT…
CVE-2026-24810 — Critical (CVSS 10.0): Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in rethinkdb (src/cjson modules).…
CVE-2026-24800 — Critical (CVSS 10.0): Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in tildearrow…
CVE-2025-9962 — Critical (CVSS 10.0): A buffer overflow vulnerability in Novakon P series allows attackers to gain root permission without prior…
CVE-2010-10016 — Critical (CVSS 10.0): BS.Player version 2.57 (build 1051) contains a vulnerability in its playlist import functionality. When processing .m3u…

Browse all CWE-120 (Classic Buffer Overflow) vulnerabilities →