CVE-2020-21685
MEDIUMCVSS 5.5/10EPSS 0.38%
Last modified
CVE-2020-21685 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Buffer Overflow vulnerability in hash_findi function in hashtbl.c in nasm 2.15rc0 allows remote attackers to cause a denial of service via crafted asm file.. EPSS estimates a 0.38% chance of exploitation in the next 30 days.
Description
Buffer Overflow vulnerability in hash_findi function in hashtbl.c in nasm 2.15rc0 allows remote attackers to cause a denial of service via crafted asm file.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Nasm | Netwide Assembler | 2.15 | Rc0 |
References
- https://bugzilla.nasm.us/show_bug.cgi?id=3392644Exploit, Issue Tracking, Vendor Advisory
- https://bugzilla.nasm.us/show_bug.cgi?id=3392644Exploit, Issue Tracking, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-21685?
Buffer Overflow vulnerability in hash_findi function in hashtbl.c in nasm 2.15rc0 allows remote attackers to cause a denial of service via crafted asm file.
How severe is CVE-2020-21685?
CVE-2020-21685 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.38% probability of exploitation in the next 30 days.
How do I fix CVE-2020-21685?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2020
- CVE-2020-2168Jenkins Azure Container Service Plugin 1.0.1 and earlier doe…8.8
- CVE-2020-21680A stack-based buffer overflow in the put_arrow() component i…5.5
- CVE-2020-21681A global buffer overflow in the set_color component in genge…5.5
- CVE-2020-21682A global buffer overflow in the set_fill component in genge.…5.5
- CVE-2020-21683A global buffer overflow in the shade_or_tint_name_after_dec…5.5
- CVE-2020-21684A global buffer overflow in the put_font in genpict2e.c of f…5.5
- CVE-2020-21686A stack-use-after-scope issue discovered in expand_mmac_para…5.5
- CVE-2020-21687Buffer Overflow vulnerability in scan function in stdscan.c …5.5
- CVE-2020-21688A heap-use-after-free in the av_freep function in libavutil/…8.8
- CVE-2020-2169A form validation endpoint in Jenkins Queue cleanup Plugin 1…6.1
- CVE-2020-21690Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
- CVE-2020-21697A heap-use-after-free in the mpeg_mux_write_packet function …6.5
Are you affected by CVE-2020-21685?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST