How severe is CVE-2021-40713?

CVE-2021-40713 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-40713 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-40713?

CVE-2021-40713 affects Adobe Experience Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-40713?

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

When was CVE-2021-40713 published?

CVE-2021-40713 was published on 2021-09-27 and last updated on 2026-06-17.

CVE-2021-40713

CVE-2021-40713 is a medium-severity vulnerability in Adobe Experience Manager with a CVSS 3.x base score of 5.9. 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-295.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 4.3
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-295
Affected product: Adobe Experience Manager
Published: 2021-09-27
Last modified: 2026-06-17

Description

Adobe Experience Manager version 6.5.9.0 (and earlier) is affected by a improper certificate validation vulnerability in the cold storage component. If an attacker can achieve a man in the middle when the cold server establishes a new certificate, they would be able to harvest sensitive information.

Frequently asked questions

What is CVE-2021-40713?: Adobe Experience Manager version 6.5.9.0 (and earlier) is affected by a improper certificate validation vulnerability in the cold storage component. If an attacker can achieve a man in the middle when the cold server establishes a new certificate, they would be able to harvest sensitive information.
How severe is CVE-2021-40713?: CVE-2021-40713 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-40713 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-40713?: CVE-2021-40713 affects Adobe Experience Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-40713?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-40713 published?: CVE-2021-40713 was published on 2021-09-27 and last updated on 2026-06-17.

References

https://helpx.adobe.com/security/products/experience-manager/apsb21-82.html

Affected products (1)

cpe:2.3:a:adobe:experience_manager:*:*:*:*:*:*:*:*

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