CVE-2021-3825 json
Missing Authorization Checks in LiderAhenk
published 5y ago modified 4mo ago also EUVD-2021-27074
- cvss
- 9.6
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 76%
- public exploits
- 0
- none known
Summary
On 2.1.15 version and below of Lider module in LiderAhenk software is leaking it's configurations via an unsecured API. An attacker with an access to the configurations API could get valid LDAP credentials.
Patch / fix
- TUBITAK Lider 2.1.16
Is CVE-2021-3825 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
1.62% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- pentest.blog https://pentest.blog/liderahenk-0day-all-your-pardus-clients-belongs-to-me/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 9.6 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Affected products
- TUBITAK Lider
Classification
- Weakness
-
- CWE-306 Missing Authentication for Critical Functionality
References
-
pentest.blog
/liderahenk-0day-all-your-pardus-clients-belongs-to-me/
exploit, third-party-advisory
-
usom.gov.tr
/bildirim/tr-21-0795
government-resource, broken-link, third-party-advisory
-
siberguvenlik.gov.tr
/guvenlik-bildirimleri/detay/tr-21-0795
government-resource
Sources
- CVE List CVE-2021-3825
- NVD CVE-2021-3825
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.