MAWK 1.3.3-17 Stack-Based Buffer Overflow
Priority HIGH 81CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00612 49th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| mawk | MAWK | 1.3.3-17 | — | No fix listed | CNA |
- MAWK Vendormawk Affected 1.3.3-17 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:invisible-island:mawk:*:*:*:*:*:*:*:* | up to 1.3.3-17 | Vulnerable | Invisible-island |
- cpe:2.3:a:invisible-island:mawk:*:*:*:*:*:*:*:* Versions up to 1.3.3-17 Vulnerable ·Invisible-island
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2017-20229
- 2026-10-03 Alias added: GHSA-gr5j-p8gh-7jpr
References
Exploit 1
Sources
- CVE-2017-20229 · CVE Program
- CVE-2017-20229 · NVD
- FIRST EPSS
- GHSA-gr5j-p8gh-7jpr · GitHub Advisory Database · CC BY 4.0
- CVE-2017-20229 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences