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CVE-2021-28910

24
FAUCET Score

CVE-2021-28910 describes a Server-Side Request Forgery (SSRF) vulnerability in BAB TECHNOLOGIE GmbH eibPort V3 devices prior to version 3.9.1, allowing unauthenticated attackers to make requests to internal and external servers. This vulnerability carries a CVSS score of 7.5 (HIGH), indicating a network-based attack with low complexity and high confidentiality impact, though without integrity or availability impact. While the EPSS score is low, suggesting a low probability of exploitation, there is currently no public exploit code available (Metasploit, Nuclei, ExploitDB), and it has not been added to CISA's KEV catalog. Community discussion and media coverage for this CVE are minimal, aligning with the typical low attention for most vulnerabilities.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.9.1CPE matchmatch criteria
cpe:2.3:o:bab-technologie:eibport_firmware:*:*:*:*:*:*:*:*

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
1.17%
Probability of exploitation in next 30 days
EPSS Percentile
64.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0117 is in the 43rd percentile among its peer group of 51,551 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

psytester.github.io / CVE-2021-28910
Third Party Advisory