How severe is CVE-2023-44158?

CVE-2023-44158 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-44158 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-44158?

CVE-2023-44158 primarily affects Acronis Cyber Protect. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-44158?

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

When was CVE-2023-44158 published?

CVE-2023-44158 was published on 2023-09-27 and last updated on 2026-06-17.

CVE-2023-44158

CVE-2023-44158 is a high-severity vulnerability in Acronis Cyber Protect with a CVSS 3.x base score of 7.5. 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-522.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-522
Affected product: Acronis Cyber Protect
Published: 2023-09-27
Last modified: 2026-06-17

Description

Sensitive information disclosure due to insufficient token field masking. The following products are affected: Acronis Cyber Protect 15 (Linux, Windows) before build 35979.

Frequently asked questions

What is CVE-2023-44158?: Sensitive information disclosure due to insufficient token field masking. The following products are affected: Acronis Cyber Protect 15 (Linux, Windows) before build 35979.
How severe is CVE-2023-44158?: CVE-2023-44158 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-44158 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-44158?: CVE-2023-44158 primarily affects Acronis Cyber Protect. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-44158?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-44158 published?: CVE-2023-44158 was published on 2023-09-27 and last updated on 2026-06-17.

References

https://security-advisory.acronis.com/advisories/SEC-4071

Affected products (7)

cpe:2.3:a:acronis:cyber_protect:*:*:*:*:*:*:*:*
cpe:2.3:a:acronis:cyber_protect:15:-:*:*:*:*:*:*
cpe:2.3:a:acronis:cyber_protect:15:update1:*:*:*:*:*:*
cpe:2.3:a:acronis:cyber_protect:15:update2:*:*:*:*:*:*
cpe:2.3:a:acronis:cyber_protect:15:update3:*:*:*:*:*:*
cpe:2.3:a:acronis:cyber_protect:15:update4:*:*:*:*:*:*
cpe:2.3:a:acronis:cyber_protect:15:update5:*:*:*:*:*:*

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