9.8

CVE-2018-1285: apache log4net

CVSS: 9.8v3.1CriticalModified
AliasesMGASA-2020-0233UBUNTU-CVE-2018-1285USN-4699-1
Published 11-05-2020Last modified 05-08-2024

Vulnerability summary

CVE-2018-1285 is a critical (CVSS 9.8) vulnerability in apache log4net. EPSS estimates a 17.82% chance of exploitation in the next 30 days, higher than 97.1% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
17.82%
0%100%
Medium · +0.46 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 11-05-2020
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

Apache log4net versions before 2.0.10 do not disable XML external entities when parsing log4net configuration files. This allows for XXE-based attacks in applications that accept attacker-controlled log4net configuration files.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

17.82%

Chance of exploitation in the next 30 days

Percentile

97%

Versus all other CVEs

30-day change

+0.46 pp

From 17.37% on 18-09-2026

18-09-202618-10-2026
EPSS score
17.82%

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

Oracle3 products
Netapp2 products
Apache1 product
Debian1 product
  • log4net< 1.2.10+dfsg-8 | < 1.2.10+dfsg-6+deb8u1
Fedoraproject1 product
Mageia1 product
  • log4net< 2.0.8-2.1.mga7
NuGet1 product
  • log4net< 2.0.10
Opensuse1 product
  • log4net&distro=openSUSE Tumbleweed< 1.2.10-78.1
Ubuntu1 product
  • log4netAll versions (No fix recorded) | < 1.2.10+dfsg-7ubuntu0.16.04.1 | < 1.2.10+dfsg-7ubuntu0.18.04.1 | < 1.2.10+dfsg-7ubuntu0.20.04.1

9 vendors · 12 products

References

43 links
Show all 43 references