6.5

CVE-2020-27616: qemu Incorrect Calculation

Modified
AliasesUBUNTU-CVE-2020-27616DEBIAN-CVE-2020-27616ALPINE-CVE-2020-27616
Published 06-11-2020Last modified 04-08-2024

Vulnerability summary

CVE-2020-27616 is a medium (CVSS 6.5) Incorrect Calculation vulnerability in qemu. EPSS estimates a 2.53% chance of exploitation in the next 30 days, higher than 84.9% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 6.5, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
2.53%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3 · Related 3
OPENSUSE-SU-2021:0600-1SUSE-SU-2021:1243-1USN-4650-1

Timeline

  1. 06-11-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

ati_2d_blt in hw/display/ati_2d.c in QEMU 4.2.1 can encounter an outside-limits situation in a calculation. A guest can crash the QEMU process.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

2.53%

Chance of exploitation in the next 30 days

Percentile

85%

Versus all other CVEs

30-day change

No change 0.00 pp

From 2.53% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Alpine1 product
  • qemu< 5.0.0-r0
Debian1 product
  • qemu< 1:5.2+dfsg-1
Qemu1 product
Ubuntu1 product
  • qemu< 1:4.2-3ubuntu6.10

4 vendors · 4 products

References

10 links