// For flags

CVE-2021-33477

 

Severity Score

8.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

2
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

rxvt-unicode 9.22, rxvt 2.7.10, mrxvt 0.5.4, and Eterm 0.9.7 allow (potentially remote) code execution because of improper handling of certain escape sequences (ESC G Q). A response is terminated by a newline.

rxvt-unicode versión 9.22, rxvt versión 2.7.10, mrxvt versión 0.5.4 y Eterm versión 0.9.7 permiten una ejecución de código (potencialmente remoto) debido al manejo inapropiado de determinadas secuencias de escape (ESC GQ). Una respuesta es terminada con una nueva línea

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-05-20 CVE Reserved
  • 2021-05-20 CVE Published
  • 2024-08-03 CVE Updated
  • 2024-08-03 First Exploit
  • 2024-10-07 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-755: Improper Handling of Exceptional Conditions
CAPEC
References (20)
URL Tag Source
http://cvs.schmorp.de/rxvt-unicode/Changes?view=log Third Party Advisory
https://git.enlightenment.org/apps/eterm.git/log Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/05/msg00026.html Mailing List
https://lists.debian.org/debian-lts-announce/2021/06/msg00010.html Mailing List
https://lists.debian.org/debian-lts-announce/2021/06/msg00011.html Mailing List
https://lists.debian.org/debian-lts-announce/2021/06/msg00012.html Mailing List
https://sourceforge.net/projects/materm/files/mrxvt%20source Product
https://sourceforge.net/projects/rxvt/files/rxvt-dev Product
https://www.openwall.com/lists/oss-security/2017/05/01/20 Mailing List
URL Date SRC
https://packetstormsecurity.com/files/162621/rxvt-2.7.0-rxvt-unicode-9.22-Code-Execution.html 2024-08-03
https://www.openwall.com/lists/oss-security/2021/05/17/1 2024-08-03
URL Date SRC
http://cvs.schmorp.de/rxvt-unicode/src/command.C?r1=1.582&r2=1.583 2023-11-07
URL Date SRC
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6RFMU5YXXNYYVA7G2DAHRXXHO6JKVFUT 2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AO52OLNOOKOCZSJCN3R7Q25XA32BWNWP 2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DUV4LDVZVW7KCGPAMFZD4ZJ4FVLPOX4C 2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NZWGE2RJONBEHSPCBUAW72NTRTIFKZAX 2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SLPVEPBH37EBR4R54RMC6GD33J37HJXD 2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXAKO6N6NKTR6Z6KVAPEXSZQMRU52SGA 2023-11-07
https://security.gentoo.org/glsa/202105-17 2023-11-07
https://security.gentoo.org/glsa/202209-07 2023-11-07
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Eterm Project
Search vendor "Eterm Project"
 Eterm
Search vendor "Eterm Project" for product "Eterm"
 0.9.7
Search vendor "Eterm Project" for product "Eterm" and version "0.9.7"
-
Affected
Mrxvt Project
Search vendor "Mrxvt Project"
 Mrxvt
Search vendor "Mrxvt Project" for product "Mrxvt"
 0.5.4
Search vendor "Mrxvt Project" for product "Mrxvt" and version "0.5.4"
-
Affected
Rxvt-unicode Project
Search vendor "Rxvt-unicode Project"
 Rxvt-unicode
Search vendor "Rxvt-unicode Project" for product "Rxvt-unicode"
 9.22
Search vendor "Rxvt-unicode Project" for product "Rxvt-unicode" and version "9.22"
-
Affected
Rxvt Project
Search vendor "Rxvt Project"
 Rxvt
Search vendor "Rxvt Project" for product "Rxvt"
 2.7.10
Search vendor "Rxvt Project" for product "Rxvt" and version "2.7.10"
-
Affected
Fedoraproject
Search vendor "Fedoraproject"
 Fedora
Search vendor "Fedoraproject" for product "Fedora"
 33
Search vendor "Fedoraproject" for product "Fedora" and version "33"
-
Affected
Fedoraproject
Search vendor "Fedoraproject"
 Fedora
Search vendor "Fedoraproject" for product "Fedora"
 34
Search vendor "Fedoraproject" for product "Fedora" and version "34"
-
Affected
Debian
Search vendor "Debian"
 Debian Linux
Search vendor "Debian" for product "Debian Linux"
 9.0
Search vendor "Debian" for product "Debian Linux" and version "9.0"
-
Affected