CVE-2017-20127 json
KB Login Authentication Script sql injection
published 2022-07-13 4 y ago modified 2026-06-17 4 mo ago also EUVD-2017-11134
- cvss
- 7.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 70%
- public exploits
- 0
- none known
Summary
A vulnerability was found in KB Login Authentication Script 1.1 and classified as critical. Affected by this issue is some unknown functionality. The manipulation of the argument username/password with the input 'or''=' leads to sql injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 18 mo ago
Exploit prediction
1.31% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- exploit-db.com https://www.exploit-db.com/exploits/41167/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- unspecified KB Login Authentication Script
Classification
- Weakness
-
- CWE-89 Improper Neutralization of Special Elements used in an SQL Command
References
-
exploit-db.com
/exploits/41167/
exploit, third-party-advisory, vdb-entry
-
vuldb.com
/?id.96620
third-party-advisory
Sources
- CVE List CVE-2017-20127
- NVD CVE-2017-20127
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.