6.5

CVE-2020-18899: exiv2

CVSS: 6.5v3.1MediumModified
AliasesPYSEC-2021-879UBUNTU-CVE-2020-18899DEBIAN-CVE-2020-18899
Published 19-08-2021Last modified 15-10-2024
Open JSON

Vulnerability summary

CVE-2020-18899 is a medium (CVSS 6.5) vulnerability in exiv2. EPSS estimates a 1.66% chance of exploitation in the next 30 days, higher than 76.2% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
36/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
1.66%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Advisory lineage

Upstream 0 · Downstream 1 · Related 2
SUSE-SU-2022:3598-1USN-8103-1

Timeline

  1. 19-08-2021
    PublishedVulnerability first disclosed.
  2. 15-10-2024
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

6 scores · 5 sources · 2 versions

EPSS trend

Probability

1.66%

Chance of exploitation in the next 30 days

Percentile

76%

Versus all other CVEs

30-day change

0.00 pp

From 1.66% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.66%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Exiv2

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • exiv2< 0.27.2-6
Exiv21 product
PyPI1 product
  • exiv2All versions (No fix recorded)
Ubuntu1 product
  • exiv2< 0.25-2.1ubuntu16.04.7+esm5 | < 0.25-3.1ubuntu0.18.04.11+esm1

4 vendors · 4 products

References

7 links