CVE-2019-12816: znc Improper Input Validation
Modified
AliasesALPINE-CVE-2019-12816UBUNTU-CVE-2019-12816USN-4044-1DEBIAN-CVE-2019-12816DLA-1830-1
Published 15-06-2019Last modified 04-08-2024
Vulnerability summary
CVE-2019-12816 is a high (CVSS 8.8) Improper Input Validation vulnerability in znc. EPSS estimates a 4.05% chance of exploitation in the next 30 days, higher than 90.5% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.0 (NVD)EPSS score
4.05%
0%100%
Low · -0.08 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 5 · Related 3Timeline
- 15-06-2019PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Modules.cpp in ZNC before 1.7.4-rc1 allows remote authenticated non-admin users to escalate privileges and execute arbitrary code by loading a module with a crafted name.
CVSS metrics
5 scores · 4 sources · 2 versionsHigh 8.8Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesAll 4 agree
- OSV · AlpineEcosystem advisory · calculated8.8HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated8.8HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Medium 6.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
4.05%
Chance of exploitation in the next 30 days
Percentile
91%
Versus all other CVEs
30-day change
Decrease -0.08 pp
From 4.13% on 22-09-2026
22-09-202622-10-2026
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 causeAffected systems
Alpine1 product
- znc< 1.7.1-r1
Debian1 product
- znc< 1.7.2-3 | < 1.4-2+deb8u2
Ubuntu1 product
- znc< 1.2-3ubuntu0.1+esm1 | < 1.6.3-1ubuntu0.2 | < 1.6.6-1ubuntu0.2
Znc1 product
- znc≤ 1.7.3
4 vendors · 4 products
References
16 links- github.com/znc/znc/commit/8de9e376ce531fe7f3c8b0aa4876d15b479b7311X Refsource CONFIRMPatchThird Party Advisory
