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CVE-2020-28206

22
FAUCET Score

CVE-2020-28206 is a medium-severity vulnerability affecting Bitrix24 Bitrix Framework (1c site management) version 20.0. It allows remote attackers to enumerate users in the administrator group and perform brute-force attacks on non-administrator user passwords via the admin login form due to improper restriction of excessive authentication attempts. The CVSS score is 6.5, indicating a network-based attack with low privileges required, no user interaction, and high confidentiality impact. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
20.0CPE matchmatch criteria
cpe:2.3:a:bitrix24:bitrix_framework:20.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.13%
Probability of exploitation in next 30 days
EPSS Percentile
63.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0113 is in the 77th percentile among its peer group of 21,958 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

justrealstag.medium.com / user-enumeration-improper-restriction-of-excessive-authentication-attempts-in-bitrix-98933a97e0e6
ExploitThird Party Advisory