No exploitation reported

CVE-2017-7928

No exploitation reported by the sources we read.

Published2017-08-07
WeaknessCWE-284

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An Improper Access Control issue was discovered in Schweitzer Engineering Laboratories (SEL) SEL-3620 and SEL-3622 Security Gateway Versions R202 and, R203, R203-V1, R203-V2 and, R204, R204-V1. The device does not properly enforce access control while configured for NAT port forwarding, which may allow for unauthorized communications to downstream devices.

Timeline

dates in UTC

2017-08-0708:29CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2017-7928?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2017-7928?format=csv
TAXII collection of exploited CVEs
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Versions per branch

NVD

Selinc sel-3620 firmwareversion to verify

Branch	Affected	Fixed in	Source
—	= r202	no fix published	NVD
—	= r203	no fix published	NVD
—	= r203-v	no fix published	NVD
—	= r203-v1	no fix published	NVD
—	= r204	no fix published	NVD
—	= r204-v1	no fix published	NVD

Selinc sel-3622 firmwareversion to verify

Branch	Affected	Fixed in	Source
—	= r202	no fix published	NVD
—	= r203	no fix published	NVD
—	= r203-v	no fix published	NVD
—	= r203-v1	no fix published	NVD
—	= r204	no fix published	NVD
—	= r204-v1	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

ICSA-17-192-06 CISA3 known affected
Schweitzer Engineering Laboratories, Inc. SEL-3620 and SEL-3622
Security Gateway: R204 R204-V1 · Security Gateway: Versions R202 · Security Gateway: R203 R203-V1 R203-V2

Full record on NVD

Fix

Mitigation from the vendor CISA ICSA-17-192-06 · 3 productsSEL has determined that, when NAT port forwarding is not used, all routed traffic is filtered properly through the firewall access control lists. If NAT port forwarding is required, SEL recommends that users of affected products contact their SEL Sales Representative or Customer Service Representat…
Mitigation from the vendor CISA ICSA-17-192-06 · 3 productsContact can be made at the following location:

Advisories and patches

ics-cert.us-cert.govMitigation

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.010read 2026-10-23
NVDCVSS 2.07.5read 2026-10-23
CNAweakness (CWE)CWE-284read 2026-10-23
FIRST EPSSEPSS score2.3 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Published: 2017-08-07
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2017-7928?

Is CVE-2017-7928 actively exploited?

Active exploitation of CVE-2017-7928 has not been confirmed. Its EPSS score was 2.3% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2017-7928?

CVE-2017-7928 has a CVSS v3 base score of 10 (CRITICAL severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

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