How severe is CVE-2020-3122?

CVE-2020-3122 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2020-3122 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-3122?

CVE-2020-3122 affects Cisco Asyncos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-3122?

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

Does CVE-2020-3122 have an EU (EUVD) identifier?

Yes. CVE-2020-3122 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-24393.

When was CVE-2020-3122 published?

CVE-2020-3122 was published on 2025-03-04 and last updated on 2026-06-17.

CVE-2020-3122

CVE-2020-3122 is a medium-severity vulnerability in Cisco Asyncos with a CVSS 3.x base score of 5.3. 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-284.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2020-24393
Weakness: CWE-284
Affected product: Cisco Asyncos
Published: 2025-03-04
Last modified: 2026-06-17

Description

A vulnerability in the web-based management interface of Cisco AsyncOS for Cisco Content Security Management Appliance (SMA) could allow an unauthenticated, remote attacker to obtain sensitive network information.

Frequently asked questions

What is CVE-2020-3122?: A vulnerability in the web-based management interface of Cisco AsyncOS for Cisco Content Security Management Appliance (SMA) could allow an unauthenticated, remote attacker to obtain sensitive network information.
How severe is CVE-2020-3122?: CVE-2020-3122 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2020-3122 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-3122?: CVE-2020-3122 affects Cisco Asyncos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-3122?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2020-3122 have an EU (EUVD) identifier?: Yes. CVE-2020-3122 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-24393.
When was CVE-2020-3122 published?: CVE-2020-3122 was published on 2025-03-04 and last updated on 2026-06-17.

References

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvr92383

Affected products (1)

cpe:2.3:o:cisco:asyncos:11.0.0-128:*:*:*:*:*:*:*

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