CVE Tools
Sign in

CVE-2021-33477

Published: May 20, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-755
8.8HIGH
NVD MITRE
EPSS Score
4.1%
Top 10.4%
CISA KEV
Not in KEV
Exploits
2 Known
Remediation
Patch Available
Self-Check
OpenVAS

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-755

Affected Products

Сообщество свободного программного обеспечения
oss-projectaka fsf
Debian GNU/LinuxOn-premOS
Operating Systems / linux-distro
EtermOn-prem
Operating Systems / linux-distro
MrxvtOn-prem
Operating Systems / linux-distro
Rob Nation
Rxvt
Rxvt-unicode
АО «НТЦ ИТ РОСА»
commercial·RU
РОСА ХРОМOn-prem
Operating Systems / linux-distro
eterm project
oss-project
eterm
mrxvt project
oss-project
mrxvt
rxvt-unicode project
oss-projectaka rxvt-unicode
rxvt-unicodeMixed
Consumer Software / file-utility
and 4 more affected products View all →

Exploitability

2 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
Is your org exposed to CVE-2021-33477?We can run the check for you — a free external exposure review, no install. Check my exposure

References

http://cvs.schmorp.de/rxvt-unicode/src/command.C?r1=1.582&r2=1.583
cvs.schmorp.de
https://nvd.nist.gov/vuln/detail/CVE-2021-33477
nvd.nist.gov
https://packetstormsecurity.com/files/162621/rxvt-2.7.0-rxvt-unicode-9.22-Code-Execution.html
packetstormsecurity.com
and 22 more references View all →

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2021-33477 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows