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ubuntucveUbuntu.comUB:CVE-2020-26117
HistorySep 27, 2020 - 12:00 a.m.

CVE-2020-26117

2020-09-2700:00:00
ubuntu.com
ubuntu.com
12

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

5.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:P/A:N

0.004 Low

EPSS

Percentile

72.3%

JSON

In rfb/CSecurityTLS.cxx and rfb/CSecurityTLS.java in TigerVNC before
1.11.0, viewers mishandle TLS certificate exceptions. They store the
certificates as authorities, meaning that the owner of a certificate could
impersonate any server after a client had added an exception.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchtigervnc< anyUNKNOWN
ubuntu20.04noarchtigervnc< 1.10.1+dfsg-3ubuntu0.20.04.1+esm1UNKNOWN

References

Related

nessus 19
suse 2
openvas 15
osv 4
prion 1
debian 1
mageia 1
oraclelinux 1
veracode 1
almalinux 1
ubuntu 1
rocky 1
redhat 1
cve 1
rosalinux 1
redhatcve 1
debiancve 1
nessus
nessus
EulerOS 2.0 SP9 : tigervnc (EulerOS-SA-2020-2422)
2020-11-03 00:00:00
Oracle Linux 8 : tigervnc (ELSA-2021-1783)
2021-05-26 00:00:00
NewStart CGSL MAIN 6.02 : tigervnc Vulnerability (NS-SA-2022-0084)
2022-11-15 00:00:00
suse
suse
Security update for tigervnc (critical)
2020-11-06 00:00:00
Security update for tigervnc (critical)
2020-10-13 00:00:00
openvas
openvas
SUSE: Security Advisory (SUSE-SU-2020:2882-1)
2021-04-19 00:00:00
openSUSE: Security Advisory for tigervnc (openSUSE-SU-2020:1841-1)
2020-11-06 00:00:00
Ubuntu: Security Advisory (USN-5965-1)
2023-03-21 00:00:00
osv
osv
tigervnc vulnerability
2023-03-21 01:41:15
CVE-2020-26117
2020-09-27 04:15:11
tigervnc - security update
2020-10-06 00:00:00
prion
prion
Code injection
2020-09-27 04:15:00
debian
debian
[SECURITY] [DLA 2396-1] tigervnc security update
2020-10-06 21:41:55
mageia
mageia
Updated tigervnc packages fix a security vulnerability
2020-10-20 19:22:12
oraclelinux
oraclelinux
tigervnc security, bug fix, and enhancement update
2021-05-25 00:00:00
veracode
veracode
Insecure TLS Configuration
2021-05-21 13:27:12
almalinux
almalinux
Moderate: tigervnc security, bug fix, and enhancement update
2021-05-18 06:04:56
ubuntu
ubuntu
TigerVNC vulnerability
2023-03-21 00:00:00
rocky
rocky
tigervnc security, bug fix, and enhancement update
2021-05-18 06:04:56
redhat
redhat
(RHSA-2021:1783) Moderate: tigervnc security, bug fix, and enhancement update
2021-05-18 06:04:56
cve
cve
CVE-2020-26117
2020-09-27 04:15:00
rosalinux
rosalinux
Advisory ROSA-SA-2021-1987
2021-07-02 18:17:13
redhatcve
redhatcve
CVE-2020-26117
2020-09-30 02:42:14
debiancve
debiancve
CVE-2020-26117
2020-09-27 04:15:00

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

5.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:P/A:N

0.004 Low

EPSS

Percentile

72.3%

JSON
Related for UB:CVE-2020-26117
nessus19suse2openvas15osv4prion1debian1mageia1oraclelinux1veracode1almalinux1ubuntu1rocky1redhat1cve1rosalinux1redhatcve1debiancve1