7.5

CVE-2020-3123: canonical ubuntu_linux Out-of-bounds Read

CVSS: 7.5v3.1HighModified
AliasesALPINE-CVE-2020-3123MGASA-2020-0105UBUNTU-CVE-2020-3123
Published 05-02-2020Last modified 15-11-2024

Vulnerability summary

CVE-2020-3123 is a high (CVSS 7.5) Out-of-bounds Read vulnerability in canonical ubuntu_linux. EPSS estimates a 2.60% chance of exploitation in the next 30 days, higher than 85.1% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
2.60%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 7 · Related 7

Timeline

  1. 05-02-2020
    PublishedVulnerability first disclosed.
  2. 15-11-2024
    Last modifiedVulnerability information updated.

Description

A vulnerability in the Data-Loss-Prevention (DLP) module in Clam AntiVirus (ClamAV) Software versions 0.102.1 and 0.102.0 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to an out-of-bounds read affecting users that have enabled the optional DLP feature. An attacker could exploit this vulnerability by sending a crafted email file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process crash, resulting in a denial of service condition.

CVSS metrics

6 scores · 5 sources · 2 versions

EPSS trend

Probability

2.60%

Chance of exploitation in the next 30 days

Percentile

85%

Versus all other CVEs

30-day change

0.00 pp

From 2.60% on 18-09-2026

18-09-202618-10-2026
EPSS score
2.60%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Alpine1 product
  • clamav< 0.102.1-r0
Canonical1 product
Cisco1 product
Clamav1 product
Debian1 product
  • clamav< 0.102.2+dfsg-1
Mageia1 product
  • clamav< 0.102.2-1.mga7
Ubuntu1 product
  • clamav< 0.102.2+dfsg-0ubuntu0.16.04.1 | < 0.102.2+dfsg-0ubuntu0.18.04.1 | < 0.102.2+dfsg-0ubuntu0.14.04.1+esm1

7 vendors · 7 products

References

13 links
Show all 13 references