CVE-2020-11947

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.47% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 38.4% of scored records. A rank, not a probability.

NVD base score

3.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2020-12-31 00:13Z5 YR AGO

Last updated

2024-08-04 11:42Z2 YR AGO

Reserved

2020-04-20

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-125Out-of-bounds ReadBase

Data version

5.1

Document digest

16a5a2939ca0557eb96d70e7de1bc0e9850312070d4cc459a2395f8f70191894

• git.qemu.orghttps://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=ff0507c239a246fd7215b31c5658fc6a3ee1e4c5x_refsource_MISC
• www.openwall.com[oss-security] 20210113 CVE-2020-11947 QEMU: heap buffer overflow in iSCSI block driver may lead to information disclosurehttp://www.openwall.com/lists/oss-security/2021/01/13/4mailing-listx_refsource_MLIST
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20210212-0001/x_refsource_CONFIRM