How severe is CVE-2021-1235?

CVE-2021-1235 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-1235 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-1235?

CVE-2021-1235 affects Cisco Sd-wan Vmanage. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-1235?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-1235 published?

CVE-2021-1235 was published on 2021-01-20 and last updated on 2026-06-17.

CVE-2021-1235

CVE-2021-1235 is a medium-severity vulnerability in Cisco Sd-wan Vmanage with a CVSS 3.x base score of 5.5. 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-497.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.9
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-497
Affected product: Cisco Sd-wan Vmanage
Published: 2021-01-20
Last modified: 2026-06-17

Description

A vulnerability in the CLI of Cisco SD-WAN vManage Software could allow an authenticated, local attacker to read sensitive database files on an affected system. The vulnerability is due to insufficient user authorization. An attacker could exploit this vulnerability by accessing the vshell of an affected system. A successful exploit could allow the attacker to read database files from the filesystem of the underlying operating system.

Frequently asked questions

What is CVE-2021-1235?: A vulnerability in the CLI of Cisco SD-WAN vManage Software could allow an authenticated, local attacker to read sensitive database files on an affected system. The vulnerability is due to insufficient user authorization. An attacker could exploit this vulnerability by accessing the vshell of an affected system. A successful exploit could allow the attacker to read database files from the filesystem of the underlying operating system.
How severe is CVE-2021-1235?: CVE-2021-1235 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-1235 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-1235?: CVE-2021-1235 affects Cisco Sd-wan Vmanage. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-1235?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-1235 published?: CVE-2021-1235 was published on 2021-01-20 and last updated on 2026-06-17.

References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-vinfdis-MC8L58dj

Affected products (1)

cpe:2.3:a:cisco:sd-wan_vmanage:*:*:*:*:*:*:*:*

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