CVE-2022-30306: fortinet fortiweb Stack-based Buffer Overflow
Vulnerability summary
CVE-2022-30306 is a high (CVSS 8.8) Stack-based Buffer Overflow vulnerability in fortinet fortiweb. EPSS estimates a 0.97% chance of exploitation in the next 30 days, higher than 61.5% of scored vulnerabilities.
Timeline
- 16-02-2023PublishedVulnerability first disclosed.
- 23-10-2024Last modifiedVulnerability information updated.
Description
A stack-based buffer overflow vulnerability [CWE-121] in the CA sign functionality of FortiWeb version 7.0.1 and below, 6.4 all versions, version 6.3.19 and below may allow an authenticated attacker to achieve arbitrary code execution via specifically crafted password.
CVSS metrics
2 scores · 2 sources · 1 version- CVE.orgCNA6.3MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:CDiffers
EPSS trend
Probability
0.97%
Chance of exploitation in the next 30 days
Percentile
62%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.97% on 22-09-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-121Stack-based Buffer OverflowA stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
Fortinet1 product
- fortiweb≥ 7.0.0, ≤ 7.0.1 | ≥ 6.4.0, ≤ 6.4.2 | ≥ 6.3.6, ≤ 6.3.19 | ≥ 6.3.6, < 6.3.20 | 6.4.0 | 6.4.1 | 6.4.2 | 7.0.0 | 7.0.1
1 vendor · 1 product