How severe is CVE-2020-27130?

CVE-2020-27130 has a CVSS 3.x base score of 9.1, 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 none.

Is CVE-2020-27130 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 66% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-27130?

CVE-2020-27130 affects Cisco Security Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-27130?

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-2020-27130 published?

CVE-2020-27130 was published on 2020-11-17 and last updated on 2026-06-17.

CVE-2020-27130

CVE-2020-27130 is a critical-severity vulnerability in Cisco Security Manager with a CVSS 3.x base score of 9.1. Its EPSS exploit-prediction score of 66% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-35.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v2: 6.4
EPSS exploit prediction: 66% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-35
Affected product: Cisco Security Manager
Published: 2020-11-17
Last modified: 2026-06-17

Description

A vulnerability in Cisco Security Manager could allow an unauthenticated, remote attacker to gain access to sensitive information. The vulnerability is due to improper validation of directory traversal character sequences within requests to an affected device. An attacker could exploit this vulnerability by sending a crafted request to the affected device. A successful exploit could allow the attacker to download arbitrary files from the affected device.

Frequently asked questions

What is CVE-2020-27130?: A vulnerability in Cisco Security Manager could allow an unauthenticated, remote attacker to gain access to sensitive information. The vulnerability is due to improper validation of directory traversal character sequences within requests to an affected device. An attacker could exploit this vulnerability by sending a crafted request to the affected device. A successful exploit could allow the attacker to download arbitrary files from the affected device.
How severe is CVE-2020-27130?: CVE-2020-27130 has a CVSS 3.x base score of 9.1, 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 none.
Is CVE-2020-27130 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 66% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-27130?: CVE-2020-27130 affects Cisco Security Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-27130?: 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-2020-27130 published?: CVE-2020-27130 was published on 2020-11-17 and last updated on 2026-06-17.

References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-csm-path-trav-NgeRnqgR

Affected products (1)

cpe:2.3:a:cisco:security_manager:*:*:*:*:*:*:*:*

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