CVE-2021-27573
CVE-2021-27573 is a critical-severity vulnerability in Remotemouse Emote Remote Mouse with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 14% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-862.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 14% (96th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-862
- Affected product: Remotemouse Emote Remote Mouse
- Published:
- Last modified:
Description
An issue was discovered in Emote Remote Mouse through 4.0.0.0. Remote unauthenticated users can execute arbitrary code via crafted UDP packets with no prior authorization or authentication.
Frequently asked questions
- What is CVE-2021-27573?
- An issue was discovered in Emote Remote Mouse through 4.0.0.0. Remote unauthenticated users can execute arbitrary code via crafted UDP packets with no prior authorization or authentication.
- How severe is CVE-2021-27573?
- CVE-2021-27573 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-2021-27573 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-27573?
- CVE-2021-27573 affects Remotemouse Emote Remote Mouse. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-27573?
- 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-2021-27573 published?
- CVE-2021-27573 was published on 2021-05-07 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:remotemouse:emote_remote_mouse:*:*:*:*:*:*:*:*
More vulnerabilities in Remotemouse Emote Remote Mouse
- CVE-2021-27574 — High (CVSS 8.1): An issue was discovered in Emote Remote Mouse through 4.0.0.0. It uses cleartext HTTP to check, and request, updates.…
- CVE-2021-27572 — High (CVSS 8.1): An issue was discovered in Emote Remote Mouse through 4.0.0.0. Authentication Bypass can occur via Packet Replay.…
- CVE-2021-27571 — Medium (CVSS 5.3): An issue was discovered in Emote Remote Mouse through 4.0.0.0. Attackers can retrieve recently used and running…
- CVE-2021-27570 — Medium (CVSS 5.3): An issue was discovered in Emote Remote Mouse through 3.015. Attackers can close any running process by sending the…
- CVE-2021-27569 — Medium (CVSS 5.3): An issue was discovered in Emote Remote Mouse through 4.0.0.0. Attackers can maximize or minimize the window of a…
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