CVE-2023-33613

MEDIUM

5.5

CVSS Score

Published: June 6, 2023 at 12:00 AM UTC

Updated: June 17, 2026 at 06:01 AM UTC

1 product affected across 1 vendorAxtls

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.3%

SSVC

No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Axtls · Axtls Project

95%

2.1.5

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

ExploitMailing ListThird Party Advisory

Source: [email protected]

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMCISA-ADP

Attack Vector: LOCAL
Complexity: LOW
Privileges: NONE
User Interaction: REQUIRED
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-787

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