What’s Vulnerable › Vulnerabilities

CVE-2023-33613

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-06-06 · updated 2026-06-17
• Weakness: CWE-787

Description

axTLS v2.1.5 was discovered to contain a heap buffer overflow in the bi_import function in axtls-code/crypto/bigint.c. This vulnerability allows attackers to cause a Denial of Service (DoS) when parsing a private key.

Affected products

• Axtls Project Axtls: 2.1.5

References

• https://sourceforge.net/p/axtls/mailman/message/37843071/
• https://sourceforge.net/p/axtls/mailman/message/37843071/

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