CVE-2021-33477

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.

CVSS v3.1

8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

6.5 MEDIUMAV:N/AC:L/Au:S/C:P/I:P/A:P

EPSS

4.09% chance of exploitation in the next 30 days, 90th percentile

Published

2021-05-20

Updated

2024-08-03

Proof-of-concept exploits (2)

• https://packetstormsecurity.com/files/162621/rxvt-2.7.0-rxvt-unicode-9.22-Code-Execution.…
• https://www.openwall.com/lists/oss-security/2021/05/17/1

References

• CVE Record
• NVD entry

Related

• CVE-2021-33470
• CVE-2021-33480
• CVE-2021-3347
• CVE-2021-33483
• CVE-2021-33469
• CVE-2021-33484