FKIE_CVE-2021-33477
Vulnerability from fkie_nvd - Published: 2021-05-20 20:15 - Updated: 2026-06-17 03:54
Severity
Summary
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.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| eterm_project | eterm | 0.9.7 | |
| mrxvt_project | mrxvt | 0.5.4 | |
| rxvt-unicode_project | rxvt-unicode | 9.22 | |
| rxvt_project | rxvt | 2.7.10 | |
| fedoraproject | fedora | 33 | |
| fedoraproject | fedora | 34 | |
| debian | debian_linux | 9.0 |
{
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{
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"source": "cve@mitre.org"
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"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "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."
},
{
"lang": "es",
"value": "rxvt-unicode versi\u00f3n 9.22, rxvt versi\u00f3n 2.7.10, mrxvt versi\u00f3n 0.5.4 y Eterm versi\u00f3n 0.9.7 permiten una ejecuci\u00f3n de c\u00f3digo (potencialmente remoto) debido al manejo inapropiado de determinadas secuencias de escape (ESC GQ).\u0026#xa0;Una respuesta es terminada con una nueva l\u00ednea"
}
],
"id": "CVE-2021-33477",
"lastModified": "2026-06-17T03:54:36.840",
"metrics": {
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"baseScore": 6.5,
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"published": "2021-05-20T20:15:07.397",
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}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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