CVE-2020-28208

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

10.82% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 95.5% 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:L/I:N/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.

Published

2021-01-08 17:26Z5 YR AGO

Last updated

2024-08-04 16:33Z2 YR AGO

Reserved

2020-11-04

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-203Observable DiscrepancyBase

Data version

5.1

Document digest

32742431f00e081c94821c2130cd1f83838d37fbd5feeef6e1e748dfc7cc421f

• trovent.iohttps://trovent.io/security-advisory-2010-01x_refsource_MISC
• www.openwall.com[oss-security] 20210107 Trovent Security Advisory 2010-01 / CVE-2020-28208: Rocket.Chat email address enumeration vulnerabilityhttp://www.openwall.com/lists/oss-security/2021/01/07/1mailing-listx_refsource_MLIST
• packetstormsecurity.comhttp://packetstormsecurity.com/files/160845/Rocket.Chat-3.7.1-Email-Address-Enumeration.htmlx_refsource_MISC
• www.openwall.com[oss-security] 20210108 Re: Trovent Security Advisory 2010-01 [updated] / CVE-2020-28208: Rocket.Chat email address enumeration vulnerabilityhttp://www.openwall.com/lists/oss-security/2021/01/08/1mailing-listx_refsource_MLIST
• trovent.github.iohttps://trovent.github.io/security-advisories/TRSA-2010-01/TRSA-2010-01.txtx_refsource_MISC
• seclists.org20210112 Re: Trovent Security Advisory 2010-01 [updated] / CVE-2020-28208: Rocket.Chat email address enumeration vulnerabilityhttp://seclists.org/fulldisclosure/2021/Jan/32mailing-listx_refsource_FULLDISC
• www.openwall.com[oss-security] 20210113 Re: Trovent Security Advisory 2010-01 [updated] / CVE-2020-28208: Rocket.Chat email address enumeration vulnerabilityhttp://www.openwall.com/lists/oss-security/2021/01/13/1mailing-listx_refsource_MLIST
• seclists.org20210119 Re: Trovent Security Advisory 2010-01 [updated] / CVE-2020-28208: Rocket.Chat email address enumeration vulnerabilityhttp://seclists.org/fulldisclosure/2021/Jan/43mailing-listx_refsource_FULLDISC