01 Record

CVE-2020-12063

A certain Postfix 2.10.1-7 package could allow an attacker to send an email from an arbitrary-looking sender via a homoglyph attack, as demonstrated by the similarity of \xce\xbf to the 'o' character.

UnratedPUBLISHEDCNA: mitre

CNA base scoreUnratedNo CNA CVSS vector

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02 Description

03 Exploitation and scoring

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: 0.93% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 60.4% of scored records. A rank, not a probability.
NVD base score: 5.3 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
Red Hat severity: No Red Hat rating. Red Hat rates the CVEs that affect its products.

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.

04 Metadata

Published

2020-04-24 11:59Z6 YR AGO

Last updated

2024-08-04 11:48Z2 YR AGO

Reserved

2020-04-22

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-345Insufficient Verification of Data AuthenticityClass

Data version

5.1

Document digest

dff92ea61d20da40913cd5f64194973447265b587b328a583864cb579df9c586

05 Affected products

VendorProductVersionsPlatforms

postfixpostfixNot specified—

redhatenterprise_linuxNot specified—

06 References

www.openwall.comhttps://www.openwall.com/lists/oss-security/2020/04/23/3x_refsource_MISC
www.openwall.comhttps://www.openwall.com/lists/oss-security/2020/04/23/12x_refsource_MISC