What’s Vulnerable › Vulnerabilities

CVE-2017-20229: MAWK 1.3.3-17 Stack-Based Buffer Overflow

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-03-28 · updated 2026-06-17
• Weakness: CWE-787

Description

MAWK 1.3.3-17 and prior contains a stack-based buffer overflow vulnerability that allows attackers to execute arbitrary code by exploiting inadequate boundary checks on user-supplied input. Attackers can craft malicious input that overflows the stack buffer and execute a return-oriented programming chain to spawn a shell with application privileges.

Affected products

• MAWK: through 1.3.3-17

References

• https://www.exploit-db.com/exploits/42357
• https://www.vulncheck.com/advisories/mawk-17-stack-based-buffer-overflow

Get alerted when CVE-2017-20229 or the next vulnerability affects your stack