A CWE-287: Improper Authentication vulnerability exists in PowerLogic PM55xx, PowerLogic PM8ECC, PowerLogic EGX100 and PowerLogic EGX300 (see security notification for version infromation) that could cause loss of connectivity to the device via Modbus TCP protocol when an attacker sends a specially crafted HTTP request.
Published 2021-06-11 16:15:10
Updated 2021-06-23 12:32:01
View at NVD,   CVE.org
Vulnerability category: BypassGain privilege

Exploit prediction scoring system (EPSS) score for CVE-2021-22764

0.22%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 60 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-22764

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.0
MEDIUM AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
NIST
5.3
MEDIUM CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
3.9
1.4
NIST

CWE ids for CVE-2021-22764

  • When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
    Assigned by: cybersecurity@se.com (Primary)

Products affected by CVE-2021-22764

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