9.8

CVE-2016-5008: debian debian_linux Improper Access Control

Modified
AliasesMGASA-2016-0248SUSE-SU-2016:1944-1SUSE-SU-2016:2053-1
Published 13-07-2016Last modified 06-08-2024

Vulnerability summary

CVE-2016-5008 is a critical (CVSS 9.8) Improper Access Control vulnerability in debian debian_linux. EPSS estimates a 3.65% chance of exploitation in the next 30 days, higher than 89.6% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 9.8 (NVD); no exploitation reported by the 5 checked sources; EPSS 4% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
9.8/10
010
Critical · v3.0 (NVD)
EPSS score
3.65%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3 · Related 2
RHSA-2016:2577SUSE-SU-2018:2141-1USN-3576-1

Timeline

  1. 13-07-2016
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

libvirt before 2.0.0 improperly disables password checking when the password on a VNC server is set to an empty string, which allows remote attackers to bypass authentication and establish a VNC session by connecting to the server.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

3.65%

Chance of exploitation in the next 30 days

Percentile

90%

Versus all other CVEs

30-day change

No change 0.00 pp

From 3.65% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Suse10 products
  • libvirt&distro=SUSE Linux Enterprise Desktop 12 SP1< 1.2.18.4-11.7
  • libvirt&distro=SUSE Linux Enterprise Server 11 SP4< 1.2.5-15.3
  • libvirt&distro=SUSE Linux Enterprise Server 12 SP1< 1.2.18.4-11.7
  • libvirt&distro=SUSE Linux Enterprise Server for SAP Applications 11 SP4< 1.2.5-15.3
  • libvirt&distro=SUSE Linux Enterprise Server for SAP Applications 12 SP1< 1.2.18.4-11.7
Debian2 products
  • libvirt< 2.0.0-1 | < 1.2.9-9+deb8u3 | < 0.9.12.3-1+deb7u2
  • debian_linuxEOL8.0
Mageia1 product
  • libvirt< 1.2.9.3-1.4.mga5
Redhat1 product
Ubuntu1 product
  • libvirt< 1.2.2-0ubuntu13.1.26 | < 1.3.1-1ubuntu10.19

5 vendors · 15 products

References

28 links
Show all 28 references