Is CVE-2020-27658 in the CISA KEV catalog?

No. CVE-2020-27658 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-27658?

CVE-2020-27658 has a CVSS v3 base score of 7.1 (HIGH).

What is the EPSS score for CVE-2020-27658?

CVE-2020-27658 has an EPSS score of 1.30% (67th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-27658?

Upgrade router manager to 1.2.4-8081 or later.

CVE & CISA-KEV Catalog

CVE-2020-27658

HIGH

7.1

CVSS v3

NVD

Description

Synology Router Manager (SRM) before 1.2.4-8081 does not include the HTTPOnly flag in a Set-Cookie header for the session cookie, which makes it easier for remote attackers to obtain potentially sensitive information via script access to this cookie.

CWE-1004 CWE-732Incorrect Permission Assignment for Critical Resource

How to fix

Remediation Available

router managerNVD

Affected:>= 1.2, < 1.2.4-8081Fixed in:1.2.4-8081CVE-2020-27658derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityLow

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Exploit Intelligence

1.30%probability of exploitation in 30 days

67thpercentile

Moderate risk: more likely to be exploited than 67% of all known CVEs.

References

Exploit1

talosintelligence.com

Vendor Advisory1

synology.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.