How severe is CVE-2022-45477?

CVE-2022-45477 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-2022-45477 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-2022-45477?

CVE-2022-45477 affects Telepad-app Telepad. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-45477?

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-2022-45477 published?

CVE-2022-45477 was published on 2022-12-05 and last updated on 2026-06-17.

CVE-2022-45477

CVE-2022-45477 is a critical-severity vulnerability in Telepad-app Telepad 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-306.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Telepad-app Telepad
Published: 2022-12-05
Last modified: 2026-06-17

Description

Telepad allows remote unauthenticated users to send instructions to the server to execute arbitrary code without any previous authorization or authentication. CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Frequently asked questions

What is CVE-2022-45477?: Telepad allows remote unauthenticated users to send instructions to the server to execute arbitrary code without any previous authorization or authentication. CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
How severe is CVE-2022-45477?: CVE-2022-45477 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-2022-45477 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-2022-45477?: CVE-2022-45477 affects Telepad-app Telepad. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-45477?: 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-2022-45477 published?: CVE-2022-45477 was published on 2022-12-05 and last updated on 2026-06-17.

References

https://www.synopsys.com/blogs/software-security/cyrc-advisory-remote-code-execution-vulnerabilities-mouse-keyboard-apps/

Affected products (1)

cpe:2.3:a:telepad-app:telepad:*:*:*:*:*:*:*:*

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