3.2

CVE-2020-25743: qemu NULL Pointer Dereference

CVSS: 3.2v3.1LowModified
AliasesUBUNTU-CVE-2020-25743DEBIAN-CVE-2020-25743
Published 06-10-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-25743 is a low (CVSS 3.2) NULL Pointer Dereference vulnerability in qemu. EPSS estimates a 0.47% chance of exploitation in the next 30 days, higher than 39.1% of scored vulnerabilities.

Overall risk
13/100
0100
Low · default modelHow is this calculated?
CVSS score
3.2/10
010
Low · v3.1 (NVD)
EPSS score
0.47%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 06-10-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

hw/ide/pci.c in QEMU before 5.1.1 can trigger a NULL pointer dereference because it lacks a pointer check before an ide_cancel_dma_sync call.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.47%

Chance of exploitation in the next 30 days

Percentile

39%

Versus all other CVEs

30-day change

0.00 pp

From 0.47% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.47%

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

Redhat2 products
Ubuntu2 products
  • qemuAll versions (No fix recorded)
  • qemu-hweAll versions (No fix recorded)
Debian1 product
  • qemuAll versions (No fix recorded)
Qemu1 product

4 vendors · 6 products

References

9 links