CVE-2022-20753

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

2.22% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 82.5% of scored records. A rank, not a probability.

NVD base score

7.2 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2022-05-04 17:05Z4 YR AGO

Last updated

2024-11-06 16:17Z1 YR AGO

Reserved

2021-11-02

Assigning CNA

cisco

Record state

PUBLISHED

Severity

Medium (CVSS 4.7)

CNA CVSS vector

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

Weaknesses

• CWE-121Stack-based Buffer OverflowVariant
• CWE-787Out-of-bounds WriteBase

Data version

5.1

Document digest

8a3ccc50276301c24c142c4fc27c1d069fc4d630d5cbed0f0c8a8b00afe933d5

• tools.cisco.com20220504 Cisco Small Business RV Series Routers Remote Code Execution Vulnerabilityhttps://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sbrv-rce-OYLQbL9uvendor-advisoryx_refsource_CISCO