CVE-2020-35556
CVE-2020-35556 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.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 1% (59th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Acronis Cyber Protect
- Published:
- Last modified:
Description
An issue was discovered in Acronis Cyber Protect before 15 Update 1 build 26172. Because the local notification service misconfigures CORS, information disclosure can occur.
Frequently asked questions
- What is CVE-2020-35556?
- An issue was discovered in Acronis Cyber Protect before 15 Update 1 build 26172. Because the local notification service misconfigures CORS, information disclosure can occur.
- How severe is CVE-2020-35556?
- CVE-2020-35556 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-2020-35556 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-35556?
- CVE-2020-35556 primarily affects Acronis Cyber Protect. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2020-35556?
- 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-2020-35556 published?
- CVE-2020-35556 was published on 2021-02-22 and last updated on 2026-06-17.
References
- https://dl.managed-protection.com/u/cyberprotect/rn/15/user/en-US/AcronisCyberProtect15_relnotes.htm
- https://www.acronis.com
Affected products (2)
- cpe:2.3:a:acronis:cyber_protect:*:*:*:*:*:*:*:*
- cpe:2.3:a:acronis:cyber_protect:15:-:*:*:*:*:*:*
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