CVE-2017-12197: debian debian_linux Incorrect Authorization
Vulnerability summary
CVE-2017-12197 is a medium (CVSS 6.5) Incorrect Authorization vulnerability in debian debian_linux. EPSS estimates a 1.51% chance of exploitation in the next 30 days, higher than 74.4% of scored vulnerabilities.
Not severe (CVSS 6.5, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2Timeline
- 18-01-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
It was found that libpam4j up to and including 1.8 did not properly validate user accounts when authenticating. A user with a valid password for a disabled account would be able to bypass security restrictions and possibly access sensitive information.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- OSV · MavenEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
1.51%
Chance of exploitation in the next 30 days
Percentile
74%
Versus all other CVEs
30-day change
No change 0.00 pp
From 1.51% on 04-10-2026
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 cause- CWE-863Incorrect AuthorizationThe product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.
- CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
Affected systems
Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Debian2 products
- libpam4j< 1.4-2+deb8u1 | < 1.4-2+deb9u1 | < 1.4-2+deb7u1
- debian_linuxEOL7.0 | 8.0 | 9.0
Libpam4j_project1 product
- libpam4j≤ 1.8
Mageia1 product
- libpam4j< 1.8-7.1.mga6
Org.kohsuke1 product
- libpam4j< 1.10
Red hat, inc.1 product
- libpam4j≤ and including 1.8
Redhat1 product
- enterprise_linuxEOL6.0
Ubuntu1 product
- libpam4j< 1.4-2+deb8u1build0.14.04.1 | < 1.4-2+deb8u1build0.16.04.1
7 vendors · 8 products
References
14 links
lists.debian.org/debian-lts-announce/2017/11/msg00008.htmlMailing ListX Refsource MLISTThird Party AdvisoryWEB- bugzilla.redhat.com/show_bug.cgi?id=1503103X Refsource CONFIRMIssue TrackingThird Party AdvisoryREPORTWEB
