CVE-2019-5648 json
LDAP Credential Exposure in Barracuda Load Balancer ADC
published 2020-03-12 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-15223
- cvss
- 8.7
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 66%
- public exploits
- 0
- none known
Summary
Authenticated, administrative access to a Barracuda Load Balancer ADC running unpatched firmware <= v6.4 allows one to edit the LDAP service configuration of the balancer and change the LDAP server to an attacker-controlled system, without having to re-enter LDAP credentials. These steps can be used by any authenticated administrative user to expose the LDAP credentials configured in the LDAP connector over the network.
Patch / fix
- Barracuda Load Balancer ADC 6.5
Exploit prediction
1.13% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- blog.rapid7.com https://blog.rapid7.com/2020/03/05/r7-2019-39-cve-2019-5648-ldap-credential-exposure-in-barracuda-load-balancer-adc-fixed/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 8.7 | CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N |
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N |
| NVD | 2.0 | 5.5 | AV:N/AC:L/Au:S/C:P/I:P/A:N |
Affected products
- Barracuda Load Balancer ADC
Classification
- Weakness
-
- CWE-522 Insufficiently Protected Credentials
References
-
blog.rapid7.com
/2020/03/05/r7-2019-39-cve-2019-5648-ldap-credential-exposure-in-barracuda-load-balancer-adc-fixed/
exploit, third-party-advisory
Sources
- CVE List CVE-2019-5648
- NVD CVE-2019-5648
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