What is CVE-2020-18899?

CVE-2020-18899 is a medium-severity vulnerability in Exiv2, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2021-08-19.

How severe is CVE-2020-18899?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2020-18899 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Resource exhaustion in Exiv2

CVE-2020-18899

An uncontrolled memory allocation in DataBufdata(subBox.length-sizeof(box)) function of Exiv2 0.27 allows attackers to cause a denial of service (DOS) via a crafted input.

EPSS: 0.017 (74.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Exiv2 — versions 0.27
N/a — versions n/a

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

Public proof-of-concept exploits

Live-Hack-CVE/CVE-2020-18899

References

cve@mitre.org (Exploit, Third Party Advisory, Issue Tracking)
cve@mitre.org (Technical Description)
cve@mitre.org (vendor-advisory)

Frequently asked questions

What is CVE-2020-18899?: CVE-2020-18899 is a medium-severity vulnerability in Exiv2, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2021-08-19.
How severe is CVE-2020-18899?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2020-18899 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.