How severe is CVE-2024-20429?

CVE-2024-20429 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2024-20429 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-20429?

CVE-2024-20429 primarily affects Cisco Asyncos. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-20429?

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

Does CVE-2024-20429 have an EU (EUVD) identifier?

Yes. CVE-2024-20429 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-18144.

When was CVE-2024-20429 published?

CVE-2024-20429 was published on 2024-07-17 and last updated on 2026-06-17.

CVE-2024-20429

CVE-2024-20429 is a medium-severity vulnerability in Cisco Asyncos with a CVSS 3.x base score of 6.5. 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-74.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-18144
Weakness: CWE-74
Affected product: Cisco Asyncos
Published: 2024-07-17
Last modified: 2026-06-17

Description

A vulnerability in the web-based management interface of Cisco AsyncOS for Secure Email Gateway could allow an authenticated, remote attacker to execute arbitrary system commands on an affected device. This vulnerability is due to insufficient input validation in certain portions of the web-based management interface. An attacker could exploit this vulnerability by sending a crafted HTTP request to the affected device. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system with root privileges. To successfully exploit this vulnerability, an attacker would need at least valid Operator credentials.

Frequently asked questions

What is CVE-2024-20429?: A vulnerability in the web-based management interface of Cisco AsyncOS for Secure Email Gateway could allow an authenticated, remote attacker to execute arbitrary system commands on an affected device. This vulnerability is due to insufficient input validation in certain portions of the web-based management interface. An attacker could exploit this vulnerability by sending a crafted HTTP request to the affected device. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system with root privileges. To successfully exploit this vulnerability, an attacker would need at least valid Operator credentials.
How severe is CVE-2024-20429?: CVE-2024-20429 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2024-20429 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-20429?: CVE-2024-20429 primarily affects Cisco Asyncos. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-20429?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-20429 have an EU (EUVD) identifier?: Yes. CVE-2024-20429 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-18144.
When was CVE-2024-20429 published?: CVE-2024-20429 was published on 2024-07-17 and last updated on 2026-06-17.

References

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-priv-esc-ssti-xNO2EOGZ

Affected products (18)

cpe:2.3:o:cisco:asyncos:11.0.3-238:*:*:*:*:*:*:*
cpe:2.3:o:cisco:asyncos:11.1.0-069:*:*:*:*:*:*:*
cpe:2.3:o:cisco:asyncos:11.1.0-128:*:*:*:*:*:*:*
cpe:2.3:o:cisco:asyncos:11.1.0-131:*:*:*:*:*:*:*
cpe:2.3:o:cisco:asyncos:12.0.0-419:*:*:*:*:*:*:*
cpe:2.3:o:cisco:asyncos:12.1.0-071:*:*:*:*:*:*:*
cpe:2.3:o:cisco:asyncos:12.1.0-087:*:*:*:*:*:*:*
cpe:2.3:o:cisco:asyncos:12.1.0-089:*:*:*:*:*:*:*
cpe:2.3:o:cisco:asyncos:12.5.0-066:*:*:*:*:*:*:*
cpe:2.3:o:cisco:asyncos:12.5.3-041:*:*:*:*:*:*:*
cpe:2.3:o:cisco:asyncos:12.5.4-041:*:*:*:*:*:*:*
cpe:2.3:o:cisco:asyncos:13.0.0-392:*:*:*:*:*:*:*
cpe:2.3:o:cisco:asyncos:13.0.5-007:*:*:*:*:*:*:*
cpe:2.3:o:cisco:asyncos:13.5.1-277:*:*:*:*:*:*:*
cpe:2.3:o:cisco:asyncos:13.5.4-038:*:*:*:*:*:*:*
cpe:2.3:o:cisco:asyncos:14.0.0-698:*:*:*:*:*:*:*
cpe:2.3:o:cisco:asyncos:14.2.0-620:*:*:*:*:*:*:*
cpe:2.3:o:cisco:asyncos:14.2.1-020:*:*:*:*:*:*:*

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