How severe is CVE-2025-0693?

CVE-2025-0693 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-2025-0693 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.

How do I fix CVE-2025-0693?

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

Does CVE-2025-0693 have an EU (EUVD) identifier?

Yes. CVE-2025-0693 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-1817.

When was CVE-2025-0693 published?

CVE-2025-0693 was published on 2025-01-23 and last updated on 2026-06-17.

CVE-2025-0693

CVE-2025-0693 is a medium-severity vulnerability 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-204.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v4: 6.9
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-1817
Weakness: CWE-204
Published: 2025-01-23
Last modified: 2026-06-17

Description

Variable response times in the AWS Sign-in IAM user login flow allowed for the use of brute force enumeration techniques to identify valid IAM usernames in an arbitrary AWS account.

Frequently asked questions

What is CVE-2025-0693?: Variable response times in the AWS Sign-in IAM user login flow allowed for the use of brute force enumeration techniques to identify valid IAM usernames in an arbitrary AWS account.
How severe is CVE-2025-0693?: CVE-2025-0693 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-2025-0693 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.
How do I fix CVE-2025-0693?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-0693 have an EU (EUVD) identifier?: Yes. CVE-2025-0693 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-1817.
When was CVE-2025-0693 published?: CVE-2025-0693 was published on 2025-01-23 and last updated on 2026-06-17.

References

https://aws.amazon.com/security/security-bulletins/AWS-2025-002/

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