CVE-2018-21243
CVE-2018-21243 is a medium-severity vulnerability in Foxitsoftware Phantompdf with a CVSS 3.x base score of 6.5. 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-434.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- CVSS v2: 4.3
- EPSS exploit prediction: 1% (55th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-434
- Affected product: Foxitsoftware Phantompdf
- Published:
- Last modified:
Description
An issue was discovered in Foxit PhantomPDF before 8.3.6. It has COM object mishandling when Microsoft Word is used.
Frequently asked questions
- What is CVE-2018-21243?
- An issue was discovered in Foxit PhantomPDF before 8.3.6. It has COM object mishandling when Microsoft Word is used.
- How severe is CVE-2018-21243?
- CVE-2018-21243 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2018-21243 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-21243?
- CVE-2018-21243 affects Foxitsoftware Phantompdf. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-21243?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2018-21243 published?
- CVE-2018-21243 was published on 2020-06-04 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:foxitsoftware:phantompdf:*:*:*:*:*:*:*:*
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