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CVE-2020-35558

23
FAUCET Score

CVE-2020-35558 is a Server-Side Request Forgery (SSRF) vulnerability affecting MB connect line mymbCONNECT24, mbCONNECT24, Helmholz myREX24, and myREX24.virtual products up to version 2.11.2. This flaw, found in the MySQL access check, allows an unauthenticated attacker to scan for open ports and potentially gather credential-related information. With a CVSS score of 7.5 (High), it presents a significant risk due to its network-based attack vector and low attack complexity, leading to high confidentiality impact. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.11.2CPE matchmatch criteria
cpe:2.3:a:mbconnectline:mbconnect24:*:*:*:*:*:*:*:*
<= 2.11.2CPE matchmatch criteria
cpe:2.3:a:mbconnectline:mymbconnect24:*:*:*:*:*:*:*:*
<= 2.11.2CPE matchmatch criteria
cpe:2.3:a:helmholz:myrex24:*:*:*:*:*:*:*:*
<= 2.11.2CPE matchmatch criteria
cpe:2.3:a:helmholz:myrex24.virtual:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.48%
Probability of exploitation in next 30 days
EPSS Percentile
71.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0148 is in the 53rd percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

cert.vde.com / en/advisories/VDE-2021-003
Third Party Advisory
cert.vde.com / en/advisories/VDE-2022-039
Third Party Advisory
mbconnectline.com / security-advice
Vendor Advisory