How severe is CVE-2023-27977?

CVE-2023-27977 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.

Is CVE-2023-27977 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-27977?

CVE-2023-27977 primarily affects Schneider-electric Custom Reports. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-27977?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-27977 published?

CVE-2023-27977 was published on 2023-03-21 and last updated on 2026-06-17.

CVE-2023-27977

CVE-2023-27977 is a medium-severity vulnerability in Schneider-electric Custom Reports with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-345.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-345
Affected product: Schneider-electric Custom Reports
Published: 2023-03-21
Last modified: 2026-06-17

Description

A CWE-345: Insufficient Verification of Data Authenticity vulnerability exists in the Data Server that could cause access to delete files in the IGSS project report directory, this could lead to loss of data when an attacker sends specific crafted messages to the Data Server TCP port. Affected Products: IGSS Data Server(IGSSdataServer.exe)(V16.0.0.23040 and prior), IGSS Dashboard(DashBoard.exe)(V16.0.0.23040 and prior), Custom Reports(RMS16.dll)(V16.0.0.23040 and prior).

Frequently asked questions

What is CVE-2023-27977?: A CWE-345: Insufficient Verification of Data Authenticity vulnerability exists in the Data Server that could cause access to delete files in the IGSS project report directory, this could lead to loss of data when an attacker sends specific crafted messages to the Data Server TCP port. Affected Products: IGSS Data Server(IGSSdataServer.exe)(V16.0.0.23040 and prior), IGSS Dashboard(DashBoard.exe)(V16.0.0.23040 and prior), Custom Reports(RMS16.dll)(V16.0.0.23040 and prior).
How severe is CVE-2023-27977?: CVE-2023-27977 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2023-27977 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-27977?: CVE-2023-27977 primarily affects Schneider-electric Custom Reports. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-27977?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-27977 published?: CVE-2023-27977 was published on 2023-03-21 and last updated on 2026-06-17.

References

https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2023-073-04&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2023-073-04.pdf

Affected products (3)

cpe:2.3:a:schneider-electric:custom_reports:*:*:*:*:*:*:*:*
cpe:2.3:a:schneider-electric:igss_dashboard:*:*:*:*:*:*:*:*
cpe:2.3:a:schneider-electric:igss_data_server:*:*:*:*:*:*:*:*

More vulnerabilities in Schneider-electric Custom Reports

CVE-2023-27982 — High (CVSS 8.8): A CWE-345: Insufficient Verification of Data Authenticity vulnerability exists in the Data Server that could cause…
CVE-2023-27980 — High (CVSS 8.8): A CWE-306: Missing Authentication for Critical Function vulnerability exists in the Data Server TCP interface that…
CVE-2023-27984 — High (CVSS 7.8): A CWE-20: Improper Input Validation vulnerability exists in Custom Reports that could cause a macro to be executed,…
CVE-2023-27981 — High (CVSS 7.8): A CWE-22: Improper Limitation of a Pathname to a Restricted Directory vulnerability exists in Custom Reports that could…
CVE-2023-27978 — High (CVSS 7.8): A CWE-502: Deserialization of Untrusted Data vulnerability exists in the Dashboard module that could cause an…
CVE-2023-27983 — Medium (CVSS 6.5): A CWE-306: Missing Authentication for Critical Function vulnerability exists in the Data Server TCP interface that…

All CVEs affecting Schneider-electric Custom Reports →

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