7.5

CVE-2020-9274: canonical ubuntu_linux Access of Uninitialized Pointer

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2020-9274USN-4515-1DEBIAN-CVE-2020-9274
Published 26-02-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-9274 is a high (CVSS 7.5) Access of Uninitialized Pointer vulnerability in canonical ubuntu_linux. EPSS estimates a 6.01% chance of exploitation in the next 30 days, higher than 93.2% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
6.01%
0%100%
Low · +0.05 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1
OPENSUSE-SU-2024:11773-1

Timeline

  1. 26-02-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in Pure-FTPd 1.0.49. An uninitialized pointer vulnerability has been detected in the diraliases linked list. When the *lookup_alias(const char alias) or print_aliases(void) function is called, they fail to correctly detect the end of the linked list and try to access a non-existent list member. This is related to init_aliases in diraliases.c.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

6.01%

Chance of exploitation in the next 30 days

Percentile

93%

Versus all other CVEs

30-day change

+0.05 pp

From 5.96% on 19-09-2026

19-09-202619-10-2026
EPSS score
6.01%

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

Debian2 products
Fedoraproject2 products
Canonical1 product
Pureftpd1 product
Ubuntu1 product
  • pure-ftpdAll versions (No fix recorded) | < 1.0.36-3.2+deb8u1build0.16.04.1

5 vendors · 7 products

References

12 links
Show all 12 references