CVE-2021-27550
CVE-2021-27550 is a medium-severity vulnerability in Polarisoffice Polaris Office with a CVSS 3.x base score of 5.5. 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-369.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- CVSS v2: 4.3
- EPSS exploit prediction: 2% (74th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-369
- Affected product: Polarisoffice Polaris Office
- Published:
- Last modified:
Description
Polaris Office v9.102.66 is affected by a divide-by-zero error in PolarisOffice.exe and EngineDLL.dll that may cause a local denial of service. To exploit the vulnerability, someone must open a crafted PDF file.
Frequently asked questions
- What is CVE-2021-27550?
- Polaris Office v9.102.66 is affected by a divide-by-zero error in PolarisOffice.exe and EngineDLL.dll that may cause a local denial of service. To exploit the vulnerability, someone must open a crafted PDF file.
- How severe is CVE-2021-27550?
- CVE-2021-27550 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2021-27550 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-27550?
- CVE-2021-27550 affects Polarisoffice Polaris Office. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-27550?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-27550 published?
- CVE-2021-27550 was published on 2021-02-23 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:polarisoffice:polaris_office:9.102.66:*:*:*:*:*:*:*
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