Skip to main content
HIGH

CVE-2020-18771

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?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

No credit card required · 500 free checks/month · Free API key