CVE-2025-49087
LOWCVSS 3.7/10EPSS 0.40%
Last modified
CVE-2025-49087 is a low-severity vulnerability rated 3.7/10 on the CVSS scale. In Mbed TLS 3.6.1 through 3.6.3 before 3.6.4, a timing discrepancy in block cipher padding removal allows an attacker to recover the plaintext when PKCS#7 padding mode is used.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.
Description
In Mbed TLS 3.6.1 through 3.6.3 before 3.6.4, a timing discrepancy in block cipher padding removal allows an attacker to recover the plaintext when PKCS#7 padding mode is used.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Trustedfirmware | Mbed Tls | >= 3.6.1, < 3.6.4 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2025-49087?
In Mbed TLS 3.6.1 through 3.6.3 before 3.6.4, a timing discrepancy in block cipher padding removal allows an attacker to recover the plaintext when PKCS#7 padding mode is used.
How severe is CVE-2025-49087?
CVE-2025-49087 has a CVSS score of 3.7/10 (LOW severity). The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.
How do I fix CVE-2025-49087?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2025-49087?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST