CVE-2023-33613
CVE-2023-33613 is a medium-severity vulnerability in Axtls Project Axtls with a CVSS 3.x base score of 5.5. 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-787.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- EPSS exploit prediction: 0% (22nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Axtls Project Axtls
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2023-33613?
- 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.
- How severe is CVE-2023-33613?
- CVE-2023-33613 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2023-33613 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-33613?
- CVE-2023-33613 affects Axtls Project Axtls. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-33613?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-33613 published?
- CVE-2023-33613 was published on 2023-06-06 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:axtls_project:axtls:2.1.5:*:*:*:*:*:*:*
More vulnerabilities in Axtls Project Axtls
- CVE-2019-8981 — Critical (CVSS 9.8): tls1.c in Cameron Hamilton-Rich axTLS before 2.1.5 has a Buffer Overflow via a crafted sequence of TLS packets because…
- CVE-2019-9689 — High (CVSS 7.5): process_certificate in tls1.c in Cameron Hamilton-Rich axTLS through 2.1.5 has a Buffer Overflow via a crafted TLS…
- CVE-2019-10013 — High (CVSS 7.5): The asn1_signature function in asn1.c in Cameron Hamilton-Rich axTLS through 2.1.5 has a Buffer Overflow that allows…
- CVE-2018-16253 — Medium (CVSS 5.9): In sig_verify() in x509.c in axTLS version 2.1.3 and before, the PKCS#1 v1.5 signature verification does not properly…
- CVE-2018-16150 — Medium (CVSS 5.9): In sig_verify() in x509.c in axTLS version 2.1.3 and before, the PKCS#1 v1.5 signature verification does not reject…
- CVE-2018-16149 — Medium (CVSS 5.9): In sig_verify() in x509.c in axTLS version 2.1.3 and before, the PKCS#1 v1.5 signature verification blindly trusts the…
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