CVSS v3
8.1
HIGH
EPSS Score
1.8 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Exiv2 0.27.99.0 has a global buffer over-read in Exiv2::Internal::Nikon1MakerNote::print0x0088 in nikonmn_int.cpp which can result in an information leak.
Technical details
- Published
- 2021-08-23
Frequently asked questions
What is CVE-2020-18771?
Exiv2 0.27.99.0 has a global buffer over-read in Exiv2::Internal::Nikon1MakerNote::print0x0088 in nikonmn_int.cpp which can result in an information leak.
Is CVE-2020-18771 actively exploited?
Active exploitation of CVE-2020-18771 has not been confirmed. Its EPSS score was 1.8% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-18771?
CVE-2020-18771 has a CVSS v3 base score of 8.1 (HIGH severity).
Is CVE-2020-18771 affecting your environment?
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