7.5

CVE-2019-15680: kaspersky tightvnc NULL Pointer Dereference

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2019-15680DEBIAN-CVE-2019-15680
Published 29-10-2019Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2019-15680 is a high (CVSS 7.5) NULL Pointer Dereference vulnerability in kaspersky tightvnc. EPSS estimates a 2.67% chance of exploitation in the next 30 days, higher than 85.5% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
2.67%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3 · Related 2
DLA-2045-1SUSE-SU-2019:14235-1USN-4407-1

Timeline

  1. 29-10-2019
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

TightVNC code version 1.3.10 contains null pointer dereference in HandleZlibBPP function, which results Denial of System (DoS). This attack appear to be exploitable via network connectivity.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

2.67%

Chance of exploitation in the next 30 days

Percentile

86%

Versus all other CVEs

30-day change

0.00 pp

From 2.67% on 18-09-2026

18-09-202618-10-2026
EPSS score
2.67%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu6 products
  • libvncserver< 0.9.10+dfsg-3ubuntu0.16.04.4 | < 0.9.11+dfsg-1ubuntu1.2 | < 0.9.12+dfsg-9ubuntu0.1
  • ssvncAll versions (No fix recorded)
  • tightvnc< 1.3.9-6.5+deb8u1build0.14.04.1~esm1 | All versions (No fix recorded)
  • veyonAll versions (No fix recorded)
  • vncsnapshotAll versions (No fix recorded)
Debian2 products
  • libvncserverAll versions (No fix recorded)
  • tightvnc< 1:1.3.9-9.1
Kaspersky1 product
Tightvnc1 product

4 vendors · 10 products

References

9 links