How severe is CVE-2023-20852?

CVE-2023-20852 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-20852 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-20852?

CVE-2023-20852 affects Aenrich A+hrd. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-20852?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-20852 published?

CVE-2023-20852 was published on 2023-04-27 and last updated on 2026-06-17.

CVE-2023-20852

CVE-2023-20852 is a critical-severity vulnerability in Aenrich A+hrd with a CVSS 3.x base score of 9.8. 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-502.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Aenrich A+hrd
Published: 2023-04-27
Last modified: 2026-06-17

Description

aEnrich Technology a+HRD has a vulnerability of Deserialization of Untrusted Data within its MSMQ interpreter. An unauthenticated remote attacker can exploit this vulnerability to execute arbitrary system commands to perform arbitrary system operation or disrupt service.

Frequently asked questions

What is CVE-2023-20852?: aEnrich Technology a+HRD has a vulnerability of Deserialization of Untrusted Data within its MSMQ interpreter. An unauthenticated remote attacker can exploit this vulnerability to execute arbitrary system commands to perform arbitrary system operation or disrupt service.
How severe is CVE-2023-20852?: CVE-2023-20852 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-20852 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-20852?: CVE-2023-20852 affects Aenrich A+hrd. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-20852?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-20852 published?: CVE-2023-20852 was published on 2023-04-27 and last updated on 2026-06-17.

References

https://www.twcert.org.tw/tw/cp-132-7023-8368b-1.html

Affected products (1)

cpe:2.3:a:aenrich:a\+hrd:6.8.1039v844:*:*:*:*:*:*:*

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