How severe is CVE-2025-20613?

CVE-2025-20613 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2025-20613 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-20613?

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

Does CVE-2025-20613 have an EU (EUVD) identifier?

Yes. CVE-2025-20613 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24430.

When was CVE-2025-20613 published?

CVE-2025-20613 was published on 2025-08-12 and last updated on 2026-06-17.

CVE-2025-20613

CVE-2025-20613 is a low-severity vulnerability with a CVSS 3.x base score of 3.3. 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-337.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
CVSS v4: 2.0
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-24430
Weakness: CWE-337
Published: 2025-08-12
Last modified: 2026-06-17

Description

Predictable Seed in Pseudo-Random Number Generator (PRNG) in the firmware for some Intel(R) TDX may allow an authenticated user to potentially enable information disclosure via local access.

Frequently asked questions

What is CVE-2025-20613?: Predictable Seed in Pseudo-Random Number Generator (PRNG) in the firmware for some Intel(R) TDX may allow an authenticated user to potentially enable information disclosure via local access.
How severe is CVE-2025-20613?: CVE-2025-20613 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2025-20613 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-20613?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-20613 have an EU (EUVD) identifier?: Yes. CVE-2025-20613 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24430.
When was CVE-2025-20613 published?: CVE-2025-20613 was published on 2025-08-12 and last updated on 2026-06-17.

References

https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01312.html

Other CWE-337 vulnerabilities

CVE-2025-7770 — High (CVSS 8.7): Tigo Energy's CCA device is vulnerable to insecure session ID generation in their remote API. The session IDs are…
CVE-2025-55069 — High (CVSS 8.3): A predictable seed in pseudo-random number generator vulnerability has been discovered in firmware version 3.60 of the…
CVE-2026-26018 — High (CVSS 7.5): CoreDNS is a DNS server that chains plugins. Prior to version 1.14.2, a denial of service vulnerability exists in…
CVE-2026-25235 — High (CVSS 7.5): PEAR is a framework and distribution system for reusable PHP components. Prior to version 1.33.0, predictable…
CVE-2025-62710 — Medium (CVSS 5.9): Sakai is a Collaboration and Learning Environment. Prior to versions 23.5 and 25.0, EncryptionUtilityServiceImpl…
CVE-2016-15006 — Low (CVSS 3.7): A vulnerability, which was classified as problematic, has been found in enigmaX up to 2.2. This issue affects the…

Browse all CWE-337 vulnerabilities →