Skip to main content
HIGH

CVE-2021-31292

CVSS v3

7.5

HIGH

EPSS Score

2.6 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

An integer overflow in CrwMap::encode0x1810 of Exiv2 0.27.3 allows attackers to trigger a heap-based buffer overflow and cause a denial of service (DOS) via crafted metadata.

Technical details

Published
2021-07-26

Frequently asked questions

What is CVE-2021-31292?

An integer overflow in CrwMap::encode0x1810 of Exiv2 0.27.3 allows attackers to trigger a heap-based buffer overflow and cause a denial of service (DOS) via crafted metadata.

Is CVE-2021-31292 actively exploited?

Active exploitation of CVE-2021-31292 has not been confirmed. Its EPSS score was 2.6% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-31292?

CVE-2021-31292 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2021-31292 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