CVE-2023-27729

⚠️ high

🔍 Scan for this CVE

Nginx NJS v0.7.10 was discovered to contain an illegal memcpy via the function njs_vmcode_return at src/njs_vmcode.c.

CVSS Score

7.5

High

EPSS Score

0.1

Exploit Probability

Published Date

2023-04-09

First Seen: 2026-01-05

This CVE is Moderate Risk - more severe than 69.0% of all 326,604 vulnerabilities in our database.

#101,315

Above average severity

Severity Percentile

🔍 Exploitation Status

None

No known exploits

⚙️ Automatable

YES

Can be exploited automatically

💥 Technical Impact

Partial

Limited system impact

SSVC data provided by CISA

Last Modified 2025-02-12

Source NVD 🔗

CVSS Vector 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE IDs (Weakness Types)

CWE-119

📦 Affected Products 1

Vendor	Product	Status	Affected Versions
f5	njs	Affected	v0.7.10

Issue Tracking Patch

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2026-8711	⚠️ high	8.1	0.1	NGINX JavaScript has a vulnerability when the js_fetch_proxy directive is configured with at least one client-controlle...	2026-05-19
CVE-2023-27727	⚠️ high	7.5	0.1	Nginx NJS v0.7.10 was discovered to contain a segmentation violation via the function njs_function_frame at src/njs_func...	2023-04-09
CVE-2023-27728	⚠️ high	7.5	0.1	Nginx NJS v0.7.10 was discovered to contain a segmentation violation via the function njs_dump_is_recursive at src/njs_v...	2023-04-09
CVE-2023-27730	⚠️ high	7.5	0.1	Nginx NJS v0.7.10 was discovered to contain a segmentation violation via the function njs_lvlhsh_find at src/njs_lvlhsh....	2023-04-09
CVE-2020-19692	⛔ critical	9.8	1.3	Buffer Overflow vulnerabilty found in Nginx NJS v.0feca92 allows a remote attacker to execute arbitrary code via the njs...	2023-04-04
CVE-2020-19695	⛔ critical	9.8	1.4	Buffer Overflow found in Nginx NJS allows a remote attacker to execute arbitrary code via the njs_object_property parame...	2023-04-04

These CVEs affect the same products